256207680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5233}}^1$

素因数の和:5273

約数の個数: 168

約数和(自身を含む): 933264072

約数和(自身を除く): 677056392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5233, 5440, 6120, 8160, 9792, 10466, 12240, 15699, 16320, 20932, 24480, 26165, 31398, 41864, 47097, 48960, 52330, 62796, 78495, 83728, 88961, 94194, 104660, 125592, 156990, 167456, 177922, 188388, 209320, 235485, 251184, 266883, 313980, 334912, 355844, 376776, 418640, 444805, 470970, 502368, 533766, 627960, 711688, 753552, 800649, 837280, 889610, 941940, 1004736, 1067532, 1255920, 1334415, 1423376, 1507104, 1601298, 1674560, 1779220, 1883880, 2135064, 2511840, 2668830, 2846752, 3014208, 3202596, 3558440, 3767760, 4003245, 4270128, 5023680, 5337660, 5693504, 6405192, 7116880, 7535520, 8006490, 8540256, 10675320, 12810384, 14233760, 15071040, 16012980, 17080512, 21350640, 25620768, 28467520, 32025960, 42701280, 51241536, 64051920, 85402560, 128103840, 256207680]

約数ペア:

[(1, 256207680), (2, 128103840), (3, 85402560), (4, 64051920), (5, 51241536), (6, 42701280), (8, 32025960), (9, 28467520), (10, 25620768), (12, 21350640), (15, 17080512), (16, 16012980), (17, 15071040), (18, 14233760), (20, 12810384), (24, 10675320), (30, 8540256), (32, 8006490), (34, 7535520), (36, 7116880), (40, 6405192), (45, 5693504), (48, 5337660), (51, 5023680), (60, 4270128), (64, 4003245), (68, 3767760), (72, 3558440), (80, 3202596), (85, 3014208), (90, 2846752), (96, 2668830), (102, 2511840), (120, 2135064), (136, 1883880), (144, 1779220), (153, 1674560), (160, 1601298), (170, 1507104), (180, 1423376), (192, 1334415), (204, 1255920), (240, 1067532), (255, 1004736), (272, 941940), (288, 889610), (306, 837280), (320, 800649), (340, 753552), (360, 711688), (408, 627960), (480, 533766), (510, 502368), (544, 470970), (576, 444805), (612, 418640), (680, 376776), (720, 355844), (765, 334912), (816, 313980), (960, 266883), (1020, 251184), (1088, 235485), (1224, 209320), (1360, 188388), (1440, 177922), (1530, 167456), (1632, 156990), (2040, 125592), (2448, 104660), (2720, 94194), (2880, 88961), (3060, 83728), (3264, 78495), (4080, 62796), (4896, 52330), (5233, 48960), (5440, 47097), (6120, 41864), (8160, 31398), (9792, 26165), (10466, 24480), (12240, 20932), (15699, 16320)]