1680341360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 160

約数和(自身を含む): 4268298240

約数和(自身を除く): 2587956880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 89, 92, 115, 124, 155, 178, 184, 230, 248, 310, 331, 356, 368, 445, 460, 496, 620, 662, 712, 713, 890, 920, 1240, 1324, 1424, 1426, 1655, 1780, 1840, 2047, 2480, 2648, 2759, 2852, 3310, 3560, 3565, 4094, 5296, 5518, 5704, 6620, 7120, 7130, 7613, 8188, 10235, 10261, 11036, 11408, 13240, 13795, 14260, 15226, 16376, 20470, 20522, 22072, 26480, 27590, 28520, 29459, 30452, 32752, 38065, 40940, 41044, 44144, 51305, 55180, 57040, 58918, 60904, 63457, 76130, 81880, 82088, 102610, 110360, 117836, 121808, 126914, 147295, 152260, 163760, 164176, 205220, 220720, 235672, 236003, 253828, 294590, 304520, 317285, 410440, 471344, 472006, 507656, 589180, 609040, 634570, 677557, 820880, 913229, 944012, 1015312, 1178360, 1180015, 1269140, 1355114, 1826458, 1888024, 2356720, 2360030, 2538280, 2710228, 3387785, 3652916, 3776048, 4566145, 4720060, 5076560, 5420456, 6775570, 7305832, 9132290, 9440120, 10840912, 13551140, 14611664, 18264580, 18880240, 21004267, 27102280, 36529160, 42008534, 54204560, 73058320, 84017068, 105021335, 168034136, 210042670, 336068272, 420085340, 840170680, 1680341360]

約数ペア:

[(1, 1680341360), (2, 840170680), (4, 420085340), (5, 336068272), (8, 210042670), (10, 168034136), (16, 105021335), (20, 84017068), (23, 73058320), (31, 54204560), (40, 42008534), (46, 36529160), (62, 27102280), (80, 21004267), (89, 18880240), (92, 18264580), (115, 14611664), (124, 13551140), (155, 10840912), (178, 9440120), (184, 9132290), (230, 7305832), (248, 6775570), (310, 5420456), (331, 5076560), (356, 4720060), (368, 4566145), (445, 3776048), (460, 3652916), (496, 3387785), (620, 2710228), (662, 2538280), (712, 2360030), (713, 2356720), (890, 1888024), (920, 1826458), (1240, 1355114), (1324, 1269140), (1424, 1180015), (1426, 1178360), (1655, 1015312), (1780, 944012), (1840, 913229), (2047, 820880), (2480, 677557), (2648, 634570), (2759, 609040), (2852, 589180), (3310, 507656), (3560, 472006), (3565, 471344), (4094, 410440), (5296, 317285), (5518, 304520), (5704, 294590), (6620, 253828), (7120, 236003), (7130, 235672), (7613, 220720), (8188, 205220), (10235, 164176), (10261, 163760), (11036, 152260), (11408, 147295), (13240, 126914), (13795, 121808), (14260, 117836), (15226, 110360), (16376, 102610), (20470, 82088), (20522, 81880), (22072, 76130), (26480, 63457), (27590, 60904), (28520, 58918), (29459, 57040), (30452, 55180), (32752, 51305), (38065, 44144), (40940, 41044)]