253360520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 721474560

約数和(自身を除く): 468114040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 101, 119, 124, 136, 140, 155, 170, 202, 217, 238, 248, 280, 289, 310, 340, 404, 434, 476, 505, 527, 578, 595, 620, 680, 707, 808, 868, 952, 1010, 1054, 1085, 1156, 1190, 1240, 1414, 1445, 1717, 1736, 2020, 2023, 2108, 2170, 2312, 2380, 2635, 2828, 2890, 3131, 3434, 3535, 3689, 4040, 4046, 4216, 4340, 4760, 5270, 5656, 5780, 6262, 6868, 7070, 7378, 8092, 8585, 8680, 8959, 10115, 10540, 11560, 12019, 12524, 13736, 14140, 14756, 15655, 16184, 17170, 17918, 18445, 20230, 21080, 21917, 24038, 25048, 28280, 29189, 29512, 31310, 34340, 35836, 36890, 40460, 43834, 44795, 48076, 53227, 58378, 60095, 62620, 62713, 68680, 71672, 73780, 80920, 87668, 89590, 96152, 106454, 109585, 116756, 120190, 125240, 125426, 145945, 147560, 175336, 179180, 204323, 212908, 219170, 233512, 240380, 250852, 266135, 291890, 313565, 358360, 372589, 408646, 425816, 438340, 480760, 501704, 532270, 583780, 627130, 745178, 817292, 876680, 904859, 1021615, 1064540, 1167560, 1254260, 1490356, 1634584, 1809718, 1862945, 2043230, 2129080, 2508520, 2980712, 3619436, 3725890, 4086460, 4524295, 6334013, 7238872, 7451780, 8172920, 9048590, 12668026, 14903560, 18097180, 25336052, 31670065, 36194360, 50672104, 63340130, 126680260, 253360520]

約数ペア:

[(1, 253360520), (2, 126680260), (4, 63340130), (5, 50672104), (7, 36194360), (8, 31670065), (10, 25336052), (14, 18097180), (17, 14903560), (20, 12668026), (28, 9048590), (31, 8172920), (34, 7451780), (35, 7238872), (40, 6334013), (56, 4524295), (62, 4086460), (68, 3725890), (70, 3619436), (85, 2980712), (101, 2508520), (119, 2129080), (124, 2043230), (136, 1862945), (140, 1809718), (155, 1634584), (170, 1490356), (202, 1254260), (217, 1167560), (238, 1064540), (248, 1021615), (280, 904859), (289, 876680), (310, 817292), (340, 745178), (404, 627130), (434, 583780), (476, 532270), (505, 501704), (527, 480760), (578, 438340), (595, 425816), (620, 408646), (680, 372589), (707, 358360), (808, 313565), (868, 291890), (952, 266135), (1010, 250852), (1054, 240380), (1085, 233512), (1156, 219170), (1190, 212908), (1240, 204323), (1414, 179180), (1445, 175336), (1717, 147560), (1736, 145945), (2020, 125426), (2023, 125240), (2108, 120190), (2170, 116756), (2312, 109585), (2380, 106454), (2635, 96152), (2828, 89590), (2890, 87668), (3131, 80920), (3434, 73780), (3535, 71672), (3689, 68680), (4040, 62713), (4046, 62620), (4216, 60095), (4340, 58378), (4760, 53227), (5270, 48076), (5656, 44795), (5780, 43834), (6262, 40460), (6868, 36890), (7070, 35836), (7378, 34340), (8092, 31310), (8585, 29512), (8680, 29189), (8959, 28280), (10115, 25048), (10540, 24038), (11560, 21917), (12019, 21080), (12524, 20230), (13736, 18445), (14140, 17918), (14756, 17170), (15655, 16184)]