900755840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 2253726720

約数和(自身を除く): 1352970880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 128, 155, 160, 166, 248, 310, 320, 332, 415, 496, 547, 620, 640, 664, 830, 992, 1094, 1240, 1328, 1660, 1984, 2188, 2480, 2573, 2656, 2735, 3320, 3968, 4376, 4960, 5146, 5312, 5470, 6640, 8752, 9920, 10292, 10624, 10940, 12865, 13280, 16957, 17504, 19840, 20584, 21880, 25730, 26560, 33914, 35008, 41168, 43760, 45401, 51460, 53120, 67828, 70016, 82336, 84785, 87520, 90802, 102920, 135656, 164672, 169570, 175040, 181604, 205840, 227005, 271312, 329344, 339140, 350080, 363208, 411680, 454010, 542624, 678280, 726416, 823360, 908020, 1085248, 1356560, 1407431, 1452832, 1646720, 1816040, 2170496, 2713120, 2814862, 2905664, 3632080, 5426240, 5629724, 5811328, 7037155, 7264160, 10852480, 11259448, 14074310, 14528320, 22518896, 28148620, 29056640, 45037792, 56297240, 90075584, 112594480, 180151168, 225188960, 450377920, 900755840]

約数ペア:

[(1, 900755840), (2, 450377920), (4, 225188960), (5, 180151168), (8, 112594480), (10, 90075584), (16, 56297240), (20, 45037792), (31, 29056640), (32, 28148620), (40, 22518896), (62, 14528320), (64, 14074310), (80, 11259448), (83, 10852480), (124, 7264160), (128, 7037155), (155, 5811328), (160, 5629724), (166, 5426240), (248, 3632080), (310, 2905664), (320, 2814862), (332, 2713120), (415, 2170496), (496, 1816040), (547, 1646720), (620, 1452832), (640, 1407431), (664, 1356560), (830, 1085248), (992, 908020), (1094, 823360), (1240, 726416), (1328, 678280), (1660, 542624), (1984, 454010), (2188, 411680), (2480, 363208), (2573, 350080), (2656, 339140), (2735, 329344), (3320, 271312), (3968, 227005), (4376, 205840), (4960, 181604), (5146, 175040), (5312, 169570), (5470, 164672), (6640, 135656), (8752, 102920), (9920, 90802), (10292, 87520), (10624, 84785), (10940, 82336), (12865, 70016), (13280, 67828), (16957, 53120), (17504, 51460), (19840, 45401), (20584, 43760), (21880, 41168), (25730, 35008), (26560, 33914)]