1777978177640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1\times {\mathrm{24373}}^1$

素因数の和:28723

約数の個数: 128

約数和(自身を含む): 4648172497920

約数和(自身を除く): 2870194320280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4271, 8540, 8542, 17080, 17084, 21355, 24373, 29897, 34168, 42710, 48746, 59794, 85420, 97492, 119588, 121865, 149485, 170611, 170840, 194984, 239176, 243730, 260531, 298970, 341222, 487460, 521062, 597940, 682444, 853055, 974920, 1042124, 1195880, 1302655, 1364888, 1486753, 1706110, 1823717, 2084248, 2605310, 2973506, 3412220, 3647434, 5210620, 5947012, 6824440, 7294868, 7433765, 9118585, 10407271, 10421240, 11894024, 14589736, 14867530, 18237170, 20814542, 29735060, 36474340, 41629084, 52036355, 59470120, 72948680, 83258168, 104072710, 104097083, 208145420, 208194166, 416290840, 416388332, 520485415, 728679581, 832776664, 1040970830, 1457359162, 2081941660, 2914718324, 3643397905, 4163883320, 5829436648, 6349922063, 7286795810, 12699844126, 14573591620, 25399688252, 29147183240, 31749610315, 44449454441, 50799376504, 63499220630, 88898908882, 126998441260, 177797817764, 222247272205, 253996882520, 355595635528, 444494544410, 888989088820, 1777978177640]

約数ペア:

[(1, 1777978177640), (2, 888989088820), (4, 444494544410), (5, 355595635528), (7, 253996882520), (8, 222247272205), (10, 177797817764), (14, 126998441260), (20, 88898908882), (28, 63499220630), (35, 50799376504), (40, 44449454441), (56, 31749610315), (61, 29147183240), (70, 25399688252), (122, 14573591620), (140, 12699844126), (244, 7286795810), (280, 6349922063), (305, 5829436648), (427, 4163883320), (488, 3643397905), (610, 2914718324), (854, 2081941660), (1220, 1457359162), (1708, 1040970830), (2135, 832776664), (2440, 728679581), (3416, 520485415), (4270, 416388332), (4271, 416290840), (8540, 208194166), (8542, 208145420), (17080, 104097083), (17084, 104072710), (21355, 83258168), (24373, 72948680), (29897, 59470120), (34168, 52036355), (42710, 41629084), (48746, 36474340), (59794, 29735060), (85420, 20814542), (97492, 18237170), (119588, 14867530), (121865, 14589736), (149485, 11894024), (170611, 10421240), (170840, 10407271), (194984, 9118585), (239176, 7433765), (243730, 7294868), (260531, 6824440), (298970, 5947012), (341222, 5210620), (487460, 3647434), (521062, 3412220), (597940, 2973506), (682444, 2605310), (853055, 2084248), (974920, 1823717), (1042124, 1706110), (1195880, 1486753), (1302655, 1364888)]