17828460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 61457760

約数和(自身を除く): 43629300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 401, 468, 494, 570, 585, 684, 741, 780, 802, 855, 988, 1140, 1170, 1203, 1235, 1482, 1604, 1710, 2005, 2223, 2340, 2406, 2470, 2964, 3420, 3609, 3705, 4010, 4446, 4812, 4940, 5213, 6015, 7218, 7410, 7619, 8020, 8892, 10426, 11115, 12030, 14436, 14820, 15238, 15639, 18045, 20852, 22230, 22857, 24060, 26065, 30476, 31278, 36090, 38095, 44460, 45714, 46917, 52130, 62556, 68571, 72180, 76190, 78195, 91428, 93834, 99047, 104260, 114285, 137142, 152380, 156390, 187668, 198094, 228570, 234585, 274284, 297141, 312780, 342855, 396188, 457140, 469170, 495235, 594282, 685710, 891423, 938340, 990470, 1188564, 1371420, 1485705, 1782846, 1980940, 2971410, 3565692, 4457115, 5942820, 8914230, 17828460]

約数ペア:

[(1, 17828460), (2, 8914230), (3, 5942820), (4, 4457115), (5, 3565692), (6, 2971410), (9, 1980940), (10, 1782846), (12, 1485705), (13, 1371420), (15, 1188564), (18, 990470), (19, 938340), (20, 891423), (26, 685710), (30, 594282), (36, 495235), (38, 469170), (39, 457140), (45, 396188), (52, 342855), (57, 312780), (60, 297141), (65, 274284), (76, 234585), (78, 228570), (90, 198094), (95, 187668), (114, 156390), (117, 152380), (130, 137142), (156, 114285), (171, 104260), (180, 99047), (190, 93834), (195, 91428), (228, 78195), (234, 76190), (247, 72180), (260, 68571), (285, 62556), (342, 52130), (380, 46917), (390, 45714), (401, 44460), (468, 38095), (494, 36090), (570, 31278), (585, 30476), (684, 26065), (741, 24060), (780, 22857), (802, 22230), (855, 20852), (988, 18045), (1140, 15639), (1170, 15238), (1203, 14820), (1235, 14436), (1482, 12030), (1604, 11115), (1710, 10426), (2005, 8892), (2223, 8020), (2340, 7619), (2406, 7410), (2470, 7218), (2964, 6015), (3420, 5213), (3609, 4940), (3705, 4812), (4010, 4446)]