28880760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 64431240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 239, 265, 285, 318, 380, 424, 456, 478, 530, 570, 636, 717, 760, 795, 956, 1007, 1060, 1140, 1195, 1272, 1434, 1590, 1912, 2014, 2120, 2280, 2390, 2868, 3021, 3180, 3585, 4028, 4541, 4780, 5035, 5736, 6042, 6360, 7170, 8056, 9082, 9560, 10070, 12084, 12667, 13623, 14340, 15105, 18164, 20140, 22705, 24168, 25334, 27246, 28680, 30210, 36328, 38001, 40280, 45410, 50668, 54492, 60420, 63335, 68115, 76002, 90820, 101336, 108984, 120840, 126670, 136230, 152004, 181640, 190005, 240673, 253340, 272460, 304008, 380010, 481346, 506680, 544920, 722019, 760020, 962692, 1203365, 1444038, 1520040, 1925384, 2406730, 2888076, 3610095, 4813460, 5776152, 7220190, 9626920, 14440380, 28880760]

約数ペア:

[(1, 28880760), (2, 14440380), (3, 9626920), (4, 7220190), (5, 5776152), (6, 4813460), (8, 3610095), (10, 2888076), (12, 2406730), (15, 1925384), (19, 1520040), (20, 1444038), (24, 1203365), (30, 962692), (38, 760020), (40, 722019), (53, 544920), (57, 506680), (60, 481346), (76, 380010), (95, 304008), (106, 272460), (114, 253340), (120, 240673), (152, 190005), (159, 181640), (190, 152004), (212, 136230), (228, 126670), (239, 120840), (265, 108984), (285, 101336), (318, 90820), (380, 76002), (424, 68115), (456, 63335), (478, 60420), (530, 54492), (570, 50668), (636, 45410), (717, 40280), (760, 38001), (795, 36328), (956, 30210), (1007, 28680), (1060, 27246), (1140, 25334), (1195, 24168), (1272, 22705), (1434, 20140), (1590, 18164), (1912, 15105), (2014, 14340), (2120, 13623), (2280, 12667), (2390, 12084), (2868, 10070), (3021, 9560), (3180, 9082), (3585, 8056), (4028, 7170), (4541, 6360), (4780, 6042), (5035, 5736)]