720296460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 288

約数和(自身を含む): 2625255360

約数和(自身を除く): 1904958900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 30, 34, 36, 38, 39, 45, 51, 52, 57, 60, 65, 68, 76, 78, 85, 90, 95, 102, 114, 117, 130, 153, 156, 170, 171, 180, 190, 195, 204, 221, 228, 234, 247, 255, 260, 285, 306, 323, 340, 342, 380, 390, 442, 468, 494, 510, 570, 585, 612, 646, 663, 684, 741, 765, 780, 855, 884, 953, 969, 988, 1020, 1105, 1140, 1170, 1235, 1292, 1326, 1482, 1530, 1615, 1710, 1906, 1938, 1989, 2210, 2223, 2340, 2470, 2652, 2859, 2907, 2964, 3060, 3230, 3315, 3420, 3705, 3812, 3876, 3978, 4199, 4420, 4446, 4765, 4845, 4940, 5718, 5814, 6460, 6630, 7410, 7956, 8398, 8577, 8892, 9530, 9690, 9945, 11115, 11436, 11628, 12389, 12597, 13260, 14295, 14535, 14820, 16201, 16796, 17154, 18107, 19060, 19380, 19890, 20995, 22230, 24778, 25194, 28590, 29070, 32402, 34308, 36214, 37167, 37791, 39780, 41990, 42885, 44460, 48603, 49556, 50388, 54321, 57180, 58140, 61945, 62985, 64804, 72428, 74334, 75582, 81005, 83980, 85770, 90535, 97206, 108642, 111501, 123890, 125970, 145809, 148668, 151164, 162010, 162963, 171540, 181070, 185835, 188955, 194412, 210613, 217284, 223002, 235391, 243015, 247780, 251940, 271605, 291618, 307819, 324020, 325926, 362140, 371670, 377910, 421226, 446004, 470782, 486030, 543210, 557505, 583236, 615638, 631839, 651852, 706173, 729045, 743340, 755820, 814815, 842452, 923457, 941564, 972060, 1053065, 1086420, 1115010, 1176955, 1231276, 1263678, 1412346, 1458090, 1539095, 1629630, 1846914, 1895517, 2106130, 2118519, 2230020, 2353910, 2527356, 2770371, 2824692, 2916180, 3078190, 3159195, 3259260, 3530865, 3693828, 3791034, 4001647, 4212260, 4237038, 4617285, 4707820, 5540742, 6156380, 6318390, 7061730, 7582068, 8003294, 8474076, 9234570, 9477585, 10592595, 11081484, 12004941, 12636780, 13851855, 14123460, 16006588, 18469140, 18955170, 20008235, 21185190, 24009882, 27703710, 36014823, 37910340, 40016470, 42370380, 48019764, 55407420, 60024705, 72029646, 80032940, 120049410, 144059292, 180074115, 240098820, 360148230, 720296460]

約数ペア:

[(1, 720296460), (2, 360148230), (3, 240098820), (4, 180074115), (5, 144059292), (6, 120049410), (9, 80032940), (10, 72029646), (12, 60024705), (13, 55407420), (15, 48019764), (17, 42370380), (18, 40016470), (19, 37910340), (20, 36014823), (26, 27703710), (30, 24009882), (34, 21185190), (36, 20008235), (38, 18955170), (39, 18469140), (45, 16006588), (51, 14123460), (52, 13851855), (57, 12636780), (60, 12004941), (65, 11081484), (68, 10592595), (76, 9477585), (78, 9234570), (85, 8474076), (90, 8003294), (95, 7582068), (102, 7061730), (114, 6318390), (117, 6156380), (130, 5540742), (153, 4707820), (156, 4617285), (170, 4237038), (171, 4212260), (180, 4001647), (190, 3791034), (195, 3693828), (204, 3530865), (221, 3259260), (228, 3159195), (234, 3078190), (247, 2916180), (255, 2824692), (260, 2770371), (285, 2527356), (306, 2353910), (323, 2230020), (340, 2118519), (342, 2106130), (380, 1895517), (390, 1846914), (442, 1629630), (468, 1539095), (494, 1458090), (510, 1412346), (570, 1263678), (585, 1231276), (612, 1176955), (646, 1115010), (663, 1086420), (684, 1053065), (741, 972060), (765, 941564), (780, 923457), (855, 842452), (884, 814815), (953, 755820), (969, 743340), (988, 729045), (1020, 706173), (1105, 651852), (1140, 631839), (1170, 615638), (1235, 583236), (1292, 557505), (1326, 543210), (1482, 486030), (1530, 470782), (1615, 446004), (1710, 421226), (1906, 377910), (1938, 371670), (1989, 362140), (2210, 325926), (2223, 324020), (2340, 307819), (2470, 291618), (2652, 271605), (2859, 251940), (2907, 247780), (2964, 243015), (3060, 235391), (3230, 223002), (3315, 217284), (3420, 210613), (3705, 194412), (3812, 188955), (3876, 185835), (3978, 181070), (4199, 171540), (4420, 162963), (4446, 162010), (4765, 151164), (4845, 148668), (4940, 145809), (5718, 125970), (5814, 123890), (6460, 111501), (6630, 108642), (7410, 97206), (7956, 90535), (8398, 85770), (8577, 83980), (8892, 81005), (9530, 75582), (9690, 74334), (9945, 72428), (11115, 64804), (11436, 62985), (11628, 61945), (12389, 58140), (12597, 57180), (13260, 54321), (14295, 50388), (14535, 49556), (14820, 48603), (16201, 44460), (16796, 42885), (17154, 41990), (18107, 39780), (19060, 37791), (19380, 37167), (19890, 36214), (20995, 34308), (22230, 32402), (24778, 29070), (25194, 28590)]