281341120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 702259200

約数和(自身を除く): 420918080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 155, 158, 160, 248, 310, 316, 320, 359, 395, 496, 620, 632, 718, 790, 992, 1240, 1264, 1436, 1580, 1795, 1984, 2449, 2480, 2528, 2872, 3160, 3590, 4898, 4960, 5056, 5744, 6320, 7180, 9796, 9920, 11129, 11488, 12245, 12640, 14360, 19592, 22258, 22976, 24490, 25280, 28361, 28720, 39184, 44516, 48980, 55645, 56722, 57440, 78368, 89032, 97960, 111290, 113444, 114880, 141805, 156736, 178064, 195920, 222580, 226888, 283610, 356128, 391840, 445160, 453776, 567220, 712256, 783680, 879191, 890320, 907552, 1134440, 1758382, 1780640, 1815104, 2268880, 3516764, 3561280, 4395955, 4537760, 7033528, 8791910, 9075520, 14067056, 17583820, 28134112, 35167640, 56268224, 70335280, 140670560, 281341120]

約数ペア:

[(1, 281341120), (2, 140670560), (4, 70335280), (5, 56268224), (8, 35167640), (10, 28134112), (16, 17583820), (20, 14067056), (31, 9075520), (32, 8791910), (40, 7033528), (62, 4537760), (64, 4395955), (79, 3561280), (80, 3516764), (124, 2268880), (155, 1815104), (158, 1780640), (160, 1758382), (248, 1134440), (310, 907552), (316, 890320), (320, 879191), (359, 783680), (395, 712256), (496, 567220), (620, 453776), (632, 445160), (718, 391840), (790, 356128), (992, 283610), (1240, 226888), (1264, 222580), (1436, 195920), (1580, 178064), (1795, 156736), (1984, 141805), (2449, 114880), (2480, 113444), (2528, 111290), (2872, 97960), (3160, 89032), (3590, 78368), (4898, 57440), (4960, 56722), (5056, 55645), (5744, 48980), (6320, 44516), (7180, 39184), (9796, 28720), (9920, 28361), (11129, 25280), (11488, 24490), (12245, 22976), (12640, 22258), (14360, 19592)]