1388343840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1123

約数の個数: 192

約数和(自身を含む): 4732826112

約数和(自身を除く): 3344482272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 271, 312, 390, 416, 480, 520, 542, 624, 780, 813, 821, 1040, 1084, 1248, 1355, 1560, 1626, 1642, 2080, 2168, 2463, 2710, 3120, 3252, 3284, 3523, 4065, 4105, 4336, 4926, 5420, 6240, 6504, 6568, 7046, 8130, 8210, 8672, 9852, 10569, 10673, 10840, 12315, 13008, 13136, 14092, 16260, 16420, 17615, 19704, 21138, 21346, 21680, 24630, 26016, 26272, 28184, 32019, 32520, 32840, 35230, 39408, 42276, 42692, 43360, 49260, 52845, 53365, 56368, 64038, 65040, 65680, 70460, 78816, 84552, 85384, 98520, 105690, 106730, 112736, 128076, 130080, 131360, 140920, 160095, 169104, 170768, 197040, 211380, 213460, 222491, 256152, 281840, 320190, 338208, 341536, 394080, 422760, 426920, 444982, 512304, 563680, 640380, 667473, 845520, 853840, 889964, 1024608, 1112455, 1280760, 1334946, 1691040, 1707680, 1779928, 2224910, 2561520, 2669892, 2892383, 3337365, 3559856, 4449820, 5123040, 5339784, 5784766, 6674730, 7119712, 8677149, 8899640, 10679568, 11569532, 13349460, 14461915, 17354298, 17799280, 21359136, 23139064, 26698920, 28923830, 34708596, 35598560, 43385745, 46278128, 53397840, 57847660, 69417192, 86771490, 92556256, 106795680, 115695320, 138834384, 173542980, 231390640, 277668768, 347085960, 462781280, 694171920, 1388343840]

約数ペア:

[(1, 1388343840), (2, 694171920), (3, 462781280), (4, 347085960), (5, 277668768), (6, 231390640), (8, 173542980), (10, 138834384), (12, 115695320), (13, 106795680), (15, 92556256), (16, 86771490), (20, 69417192), (24, 57847660), (26, 53397840), (30, 46278128), (32, 43385745), (39, 35598560), (40, 34708596), (48, 28923830), (52, 26698920), (60, 23139064), (65, 21359136), (78, 17799280), (80, 17354298), (96, 14461915), (104, 13349460), (120, 11569532), (130, 10679568), (156, 8899640), (160, 8677149), (195, 7119712), (208, 6674730), (240, 5784766), (260, 5339784), (271, 5123040), (312, 4449820), (390, 3559856), (416, 3337365), (480, 2892383), (520, 2669892), (542, 2561520), (624, 2224910), (780, 1779928), (813, 1707680), (821, 1691040), (1040, 1334946), (1084, 1280760), (1248, 1112455), (1355, 1024608), (1560, 889964), (1626, 853840), (1642, 845520), (2080, 667473), (2168, 640380), (2463, 563680), (2710, 512304), (3120, 444982), (3252, 426920), (3284, 422760), (3523, 394080), (4065, 341536), (4105, 338208), (4336, 320190), (4926, 281840), (5420, 256152), (6240, 222491), (6504, 213460), (6568, 211380), (7046, 197040), (8130, 170768), (8210, 169104), (8672, 160095), (9852, 140920), (10569, 131360), (10673, 130080), (10840, 128076), (12315, 112736), (13008, 106730), (13136, 105690), (14092, 98520), (16260, 85384), (16420, 84552), (17615, 78816), (19704, 70460), (21138, 65680), (21346, 65040), (21680, 64038), (24630, 56368), (26016, 53365), (26272, 52845), (28184, 49260), (32019, 43360), (32520, 42692), (32840, 42276), (35230, 39408)]