155422840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 391288320

約数和(自身を除く): 235865480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 73, 85, 101, 124, 136, 146, 155, 170, 202, 248, 292, 310, 340, 365, 404, 505, 527, 584, 620, 680, 730, 808, 1010, 1054, 1240, 1241, 1460, 1717, 2020, 2108, 2263, 2482, 2635, 2920, 3131, 3434, 4040, 4216, 4526, 4964, 5270, 6205, 6262, 6868, 7373, 8585, 9052, 9928, 10540, 11315, 12410, 12524, 13736, 14746, 15655, 17170, 18104, 21080, 22630, 24820, 25048, 29492, 31310, 34340, 36865, 38471, 45260, 49640, 53227, 58984, 62620, 68680, 73730, 76942, 90520, 106454, 125240, 125341, 147460, 153884, 192355, 212908, 228563, 250682, 266135, 294920, 307768, 384710, 425816, 457126, 501364, 532270, 626705, 769420, 914252, 1002728, 1064540, 1142815, 1253410, 1538840, 1828504, 2129080, 2285630, 2506820, 3885571, 4571260, 5013640, 7771142, 9142520, 15542284, 19427855, 31084568, 38855710, 77711420, 155422840]

約数ペア:

[(1, 155422840), (2, 77711420), (4, 38855710), (5, 31084568), (8, 19427855), (10, 15542284), (17, 9142520), (20, 7771142), (31, 5013640), (34, 4571260), (40, 3885571), (62, 2506820), (68, 2285630), (73, 2129080), (85, 1828504), (101, 1538840), (124, 1253410), (136, 1142815), (146, 1064540), (155, 1002728), (170, 914252), (202, 769420), (248, 626705), (292, 532270), (310, 501364), (340, 457126), (365, 425816), (404, 384710), (505, 307768), (527, 294920), (584, 266135), (620, 250682), (680, 228563), (730, 212908), (808, 192355), (1010, 153884), (1054, 147460), (1240, 125341), (1241, 125240), (1460, 106454), (1717, 90520), (2020, 76942), (2108, 73730), (2263, 68680), (2482, 62620), (2635, 58984), (2920, 53227), (3131, 49640), (3434, 45260), (4040, 38471), (4216, 36865), (4526, 34340), (4964, 31310), (5270, 29492), (6205, 25048), (6262, 24820), (6868, 22630), (7373, 21080), (8585, 18104), (9052, 17170), (9928, 15655), (10540, 14746), (11315, 13736), (12410, 12524)]