18721829640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1\times {\mathrm{1753}}^1$

素因数の和:3287

約数の個数: 128

約数和(自身を含む): 57157948800

約数和(自身を除く): 38436119160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1459, 1464, 1753, 1830, 2440, 2918, 3506, 3660, 4377, 5259, 5836, 7012, 7295, 7320, 8754, 8765, 10518, 11672, 14024, 14590, 17508, 17530, 21036, 21885, 26295, 29180, 35016, 35060, 42072, 43770, 52590, 58360, 70120, 87540, 88999, 105180, 106933, 175080, 177998, 210360, 213866, 266997, 320799, 355996, 427732, 444995, 533994, 534665, 641598, 711992, 855464, 889990, 1067988, 1069330, 1283196, 1334985, 1603995, 1779980, 2135976, 2138660, 2557627, 2566392, 2669970, 3207990, 3559960, 4277320, 5115254, 5339940, 6415980, 7672881, 10230508, 10679880, 12788135, 12831960, 15345762, 20461016, 25576270, 30691524, 38364405, 51152540, 61383048, 76728810, 102305080, 153457620, 156015247, 306915240, 312030494, 468045741, 624060988, 780076235, 936091482, 1248121976, 1560152470, 1872182964, 2340228705, 3120304940, 3744365928, 4680457410, 6240609880, 9360914820, 18721829640]

約数ペア:

[(1, 18721829640), (2, 9360914820), (3, 6240609880), (4, 4680457410), (5, 3744365928), (6, 3120304940), (8, 2340228705), (10, 1872182964), (12, 1560152470), (15, 1248121976), (20, 936091482), (24, 780076235), (30, 624060988), (40, 468045741), (60, 312030494), (61, 306915240), (120, 156015247), (122, 153457620), (183, 102305080), (244, 76728810), (305, 61383048), (366, 51152540), (488, 38364405), (610, 30691524), (732, 25576270), (915, 20461016), (1220, 15345762), (1459, 12831960), (1464, 12788135), (1753, 10679880), (1830, 10230508), (2440, 7672881), (2918, 6415980), (3506, 5339940), (3660, 5115254), (4377, 4277320), (5259, 3559960), (5836, 3207990), (7012, 2669970), (7295, 2566392), (7320, 2557627), (8754, 2138660), (8765, 2135976), (10518, 1779980), (11672, 1603995), (14024, 1334985), (14590, 1283196), (17508, 1069330), (17530, 1067988), (21036, 889990), (21885, 855464), (26295, 711992), (29180, 641598), (35016, 534665), (35060, 533994), (42072, 444995), (43770, 427732), (52590, 355996), (58360, 320799), (70120, 266997), (87540, 213866), (88999, 210360), (105180, 177998), (106933, 175080)]