1685417920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:243

約数の個数: 224

約数和(自身を含む): 4424232960

約数和(自身を除く): 2738815040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 83, 89, 92, 115, 124, 155, 160, 166, 178, 184, 230, 248, 310, 320, 332, 356, 368, 415, 445, 460, 496, 620, 664, 712, 713, 736, 830, 890, 920, 992, 1240, 1328, 1424, 1426, 1472, 1660, 1780, 1840, 1909, 1984, 2047, 2480, 2573, 2656, 2759, 2848, 2852, 3320, 3560, 3565, 3680, 3818, 4094, 4960, 5146, 5312, 5518, 5696, 5704, 6640, 7120, 7130, 7360, 7387, 7636, 8188, 9545, 9920, 10235, 10292, 11036, 11408, 12865, 13280, 13795, 14240, 14260, 14774, 15272, 16376, 19090, 20470, 20584, 22072, 22816, 25730, 26560, 27590, 28480, 28520, 29548, 30544, 32752, 36935, 38180, 40940, 41168, 44144, 45632, 51460, 55180, 57040, 59096, 59179, 61088, 63457, 65504, 73870, 76360, 81880, 82336, 88288, 102920, 110360, 114080, 118192, 118358, 122176, 126914, 131008, 147740, 152720, 163760, 164672, 169901, 176576, 205840, 220720, 228160, 228997, 236384, 236716, 253828, 295480, 295895, 305440, 317285, 327520, 339802, 411680, 441440, 457994, 472768, 473432, 507656, 590960, 591790, 610880, 634570, 655040, 679604, 823360, 849505, 882880, 915988, 946864, 1015312, 1144985, 1181920, 1183580, 1269140, 1359208, 1699010, 1831976, 1893728, 2030624, 2289970, 2363840, 2367160, 2538280, 2718416, 3398020, 3663952, 3787456, 4061248, 4579940, 4734320, 5076560, 5266931, 5436832, 6796040, 7327904, 9159880, 9468640, 10153120, 10533862, 10873664, 13592080, 14655808, 18319760, 18937280, 20306240, 21067724, 26334655, 27184160, 36639520, 42135448, 52669310, 54368320, 73279040, 84270896, 105338620, 168541792, 210677240, 337083584, 421354480, 842708960, 1685417920]

約数ペア:

[(1, 1685417920), (2, 842708960), (4, 421354480), (5, 337083584), (8, 210677240), (10, 168541792), (16, 105338620), (20, 84270896), (23, 73279040), (31, 54368320), (32, 52669310), (40, 42135448), (46, 36639520), (62, 27184160), (64, 26334655), (80, 21067724), (83, 20306240), (89, 18937280), (92, 18319760), (115, 14655808), (124, 13592080), (155, 10873664), (160, 10533862), (166, 10153120), (178, 9468640), (184, 9159880), (230, 7327904), (248, 6796040), (310, 5436832), (320, 5266931), (332, 5076560), (356, 4734320), (368, 4579940), (415, 4061248), (445, 3787456), (460, 3663952), (496, 3398020), (620, 2718416), (664, 2538280), (712, 2367160), (713, 2363840), (736, 2289970), (830, 2030624), (890, 1893728), (920, 1831976), (992, 1699010), (1240, 1359208), (1328, 1269140), (1424, 1183580), (1426, 1181920), (1472, 1144985), (1660, 1015312), (1780, 946864), (1840, 915988), (1909, 882880), (1984, 849505), (2047, 823360), (2480, 679604), (2573, 655040), (2656, 634570), (2759, 610880), (2848, 591790), (2852, 590960), (3320, 507656), (3560, 473432), (3565, 472768), (3680, 457994), (3818, 441440), (4094, 411680), (4960, 339802), (5146, 327520), (5312, 317285), (5518, 305440), (5696, 295895), (5704, 295480), (6640, 253828), (7120, 236716), (7130, 236384), (7360, 228997), (7387, 228160), (7636, 220720), (8188, 205840), (9545, 176576), (9920, 169901), (10235, 164672), (10292, 163760), (11036, 152720), (11408, 147740), (12865, 131008), (13280, 126914), (13795, 122176), (14240, 118358), (14260, 118192), (14774, 114080), (15272, 110360), (16376, 102920), (19090, 88288), (20470, 82336), (20584, 81880), (22072, 76360), (22816, 73870), (25730, 65504), (26560, 63457), (27590, 61088), (28480, 59179), (28520, 59096), (29548, 57040), (30544, 55180), (32752, 51460), (36935, 45632), (38180, 44144), (40940, 41168)]