65221520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 240

約数和(自身を含む): 204653568

約数和(自身を除く): 139432048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 31, 34, 35, 40, 52, 56, 62, 65, 68, 70, 80, 85, 91, 104, 112, 119, 124, 130, 136, 140, 155, 170, 182, 208, 217, 221, 238, 248, 260, 272, 280, 289, 310, 340, 364, 403, 434, 442, 455, 476, 496, 520, 527, 560, 578, 595, 620, 680, 728, 806, 868, 884, 910, 952, 1040, 1054, 1085, 1105, 1156, 1190, 1240, 1360, 1445, 1456, 1547, 1612, 1736, 1768, 1820, 1904, 2015, 2023, 2108, 2170, 2210, 2312, 2380, 2480, 2635, 2821, 2890, 3094, 3224, 3472, 3536, 3640, 3689, 3757, 4030, 4046, 4216, 4340, 4420, 4624, 4760, 5270, 5642, 5780, 6188, 6448, 6851, 7280, 7378, 7514, 7735, 8060, 8092, 8432, 8680, 8840, 8959, 9520, 10115, 10540, 11284, 11560, 12376, 13702, 14105, 14756, 15028, 15470, 16120, 16184, 17360, 17680, 17918, 18445, 18785, 20230, 21080, 22568, 23120, 24752, 26299, 27404, 28210, 29512, 30056, 30940, 32240, 32368, 34255, 35836, 36890, 37570, 40460, 42160, 44795, 45136, 47957, 52598, 54808, 56420, 59024, 60112, 61880, 62713, 68510, 71672, 73780, 75140, 80920, 89590, 95914, 105196, 109616, 112840, 116467, 123760, 125426, 131495, 137020, 143344, 147560, 150280, 161840, 179180, 191828, 210392, 225680, 232934, 239785, 250852, 262990, 274040, 295120, 300560, 313565, 358360, 383656, 420784, 465868, 479570, 501704, 525980, 548080, 582335, 627130, 716720, 767312, 815269, 931736, 959140, 1003408, 1051960, 1164670, 1254260, 1630538, 1863472, 1918280, 2103920, 2329340, 2508520, 3261076, 3836560, 4076345, 4658680, 5017040, 6522152, 8152690, 9317360, 13044304, 16305380, 32610760, 65221520]

約数ペア:

[(1, 65221520), (2, 32610760), (4, 16305380), (5, 13044304), (7, 9317360), (8, 8152690), (10, 6522152), (13, 5017040), (14, 4658680), (16, 4076345), (17, 3836560), (20, 3261076), (26, 2508520), (28, 2329340), (31, 2103920), (34, 1918280), (35, 1863472), (40, 1630538), (52, 1254260), (56, 1164670), (62, 1051960), (65, 1003408), (68, 959140), (70, 931736), (80, 815269), (85, 767312), (91, 716720), (104, 627130), (112, 582335), (119, 548080), (124, 525980), (130, 501704), (136, 479570), (140, 465868), (155, 420784), (170, 383656), (182, 358360), (208, 313565), (217, 300560), (221, 295120), (238, 274040), (248, 262990), (260, 250852), (272, 239785), (280, 232934), (289, 225680), (310, 210392), (340, 191828), (364, 179180), (403, 161840), (434, 150280), (442, 147560), (455, 143344), (476, 137020), (496, 131495), (520, 125426), (527, 123760), (560, 116467), (578, 112840), (595, 109616), (620, 105196), (680, 95914), (728, 89590), (806, 80920), (868, 75140), (884, 73780), (910, 71672), (952, 68510), (1040, 62713), (1054, 61880), (1085, 60112), (1105, 59024), (1156, 56420), (1190, 54808), (1240, 52598), (1360, 47957), (1445, 45136), (1456, 44795), (1547, 42160), (1612, 40460), (1736, 37570), (1768, 36890), (1820, 35836), (1904, 34255), (2015, 32368), (2023, 32240), (2108, 30940), (2170, 30056), (2210, 29512), (2312, 28210), (2380, 27404), (2480, 26299), (2635, 24752), (2821, 23120), (2890, 22568), (3094, 21080), (3224, 20230), (3472, 18785), (3536, 18445), (3640, 17918), (3689, 17680), (3757, 17360), (4030, 16184), (4046, 16120), (4216, 15470), (4340, 15028), (4420, 14756), (4624, 14105), (4760, 13702), (5270, 12376), (5642, 11560), (5780, 11284), (6188, 10540), (6448, 10115), (6851, 9520), (7280, 8959), (7378, 8840), (7514, 8680), (7735, 8432), (8060, 8092)]