72317440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 160

約数和(自身を含む): 194893776

約数和(自身を除く): 122576336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 53, 64, 65, 80, 82, 104, 106, 128, 130, 160, 164, 205, 208, 212, 256, 260, 265, 320, 328, 410, 416, 424, 512, 520, 530, 533, 640, 656, 689, 820, 832, 848, 1040, 1060, 1066, 1280, 1312, 1378, 1640, 1664, 1696, 2080, 2120, 2132, 2173, 2560, 2624, 2665, 2756, 3280, 3328, 3392, 3445, 4160, 4240, 4264, 4346, 5248, 5330, 5512, 6560, 6656, 6784, 6890, 8320, 8480, 8528, 8692, 10496, 10660, 10865, 11024, 13120, 13568, 13780, 16640, 16960, 17056, 17384, 20992, 21320, 21730, 22048, 26240, 27136, 27560, 28249, 33280, 33920, 34112, 34768, 42640, 43460, 44096, 52480, 55120, 56498, 67840, 68224, 69536, 85280, 86920, 88192, 104960, 110240, 112996, 135680, 136448, 139072, 141245, 170560, 173840, 176384, 220480, 225992, 272896, 278144, 282490, 341120, 347680, 352768, 440960, 451984, 556288, 564980, 682240, 695360, 881920, 903968, 1112576, 1129960, 1364480, 1390720, 1763840, 1807936, 2259920, 2781440, 3615872, 4519840, 5562880, 7231744, 9039680, 14463488, 18079360, 36158720, 72317440]

約数ペア:

[(1, 72317440), (2, 36158720), (4, 18079360), (5, 14463488), (8, 9039680), (10, 7231744), (13, 5562880), (16, 4519840), (20, 3615872), (26, 2781440), (32, 2259920), (40, 1807936), (41, 1763840), (52, 1390720), (53, 1364480), (64, 1129960), (65, 1112576), (80, 903968), (82, 881920), (104, 695360), (106, 682240), (128, 564980), (130, 556288), (160, 451984), (164, 440960), (205, 352768), (208, 347680), (212, 341120), (256, 282490), (260, 278144), (265, 272896), (320, 225992), (328, 220480), (410, 176384), (416, 173840), (424, 170560), (512, 141245), (520, 139072), (530, 136448), (533, 135680), (640, 112996), (656, 110240), (689, 104960), (820, 88192), (832, 86920), (848, 85280), (1040, 69536), (1060, 68224), (1066, 67840), (1280, 56498), (1312, 55120), (1378, 52480), (1640, 44096), (1664, 43460), (1696, 42640), (2080, 34768), (2120, 34112), (2132, 33920), (2173, 33280), (2560, 28249), (2624, 27560), (2665, 27136), (2756, 26240), (3280, 22048), (3328, 21730), (3392, 21320), (3445, 20992), (4160, 17384), (4240, 17056), (4264, 16960), (4346, 16640), (5248, 13780), (5330, 13568), (5512, 13120), (6560, 11024), (6656, 10865), (6784, 10660), (6890, 10496), (8320, 8692), (8480, 8528)]