755820

素因数分解:

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

素因数の和:64

約数の個数: 144

約数和(自身を含む): 2751840

約数和(自身を除く): 1996020

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, 969, 988, 1020, 1105, 1140, 1170, 1235, 1292, 1326, 1482, 1530, 1615, 1710, 1938, 1989, 2210, 2223, 2340, 2470, 2652, 2907, 2964, 3060, 3230, 3315, 3420, 3705, 3876, 3978, 4199, 4420, 4446, 4845, 4940, 5814, 6460, 6630, 7410, 7956, 8398, 8892, 9690, 9945, 11115, 11628, 12597, 13260, 14535, 14820, 16796, 19380, 19890, 20995, 22230, 25194, 29070, 37791, 39780, 41990, 44460, 50388, 58140, 62985, 75582, 83980, 125970, 151164, 188955, 251940, 377910, 755820]

約数ペア:

[(1, 755820), (2, 377910), (3, 251940), (4, 188955), (5, 151164), (6, 125970), (9, 83980), (10, 75582), (12, 62985), (13, 58140), (15, 50388), (17, 44460), (18, 41990), (19, 39780), (20, 37791), (26, 29070), (30, 25194), (34, 22230), (36, 20995), (38, 19890), (39, 19380), (45, 16796), (51, 14820), (52, 14535), (57, 13260), (60, 12597), (65, 11628), (68, 11115), (76, 9945), (78, 9690), (85, 8892), (90, 8398), (95, 7956), (102, 7410), (114, 6630), (117, 6460), (130, 5814), (153, 4940), (156, 4845), (170, 4446), (171, 4420), (180, 4199), (190, 3978), (195, 3876), (204, 3705), (221, 3420), (228, 3315), (234, 3230), (247, 3060), (255, 2964), (260, 2907), (285, 2652), (306, 2470), (323, 2340), (340, 2223), (342, 2210), (380, 1989), (390, 1938), (442, 1710), (468, 1615), (494, 1530), (510, 1482), (570, 1326), (585, 1292), (612, 1235), (646, 1170), (663, 1140), (684, 1105), (741, 1020), (765, 988), (780, 969), (855, 884)]