28709040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 94654656

約数和(自身を除く): 65945616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 53, 60, 61, 74, 80, 106, 111, 120, 122, 148, 159, 183, 185, 212, 222, 240, 244, 265, 296, 305, 318, 366, 370, 424, 444, 488, 530, 555, 592, 610, 636, 732, 740, 795, 848, 888, 915, 976, 1060, 1110, 1220, 1272, 1464, 1480, 1590, 1776, 1830, 1961, 2120, 2220, 2257, 2440, 2544, 2928, 2960, 3180, 3233, 3660, 3922, 4240, 4440, 4514, 4880, 5883, 6360, 6466, 6771, 7320, 7844, 8880, 9028, 9699, 9805, 11285, 11766, 12720, 12932, 13542, 14640, 15688, 16165, 18056, 19398, 19610, 22570, 23532, 25864, 27084, 29415, 31376, 32330, 33855, 36112, 38796, 39220, 45140, 47064, 48495, 51728, 54168, 58830, 64660, 67710, 77592, 78440, 90280, 94128, 96990, 108336, 117660, 119621, 129320, 135420, 155184, 156880, 180560, 193980, 235320, 239242, 258640, 270840, 358863, 387960, 470640, 478484, 541680, 598105, 717726, 775920, 956968, 1196210, 1435452, 1794315, 1913936, 2392420, 2870904, 3588630, 4784840, 5741808, 7177260, 9569680, 14354520, 28709040]

約数ペア:

[(1, 28709040), (2, 14354520), (3, 9569680), (4, 7177260), (5, 5741808), (6, 4784840), (8, 3588630), (10, 2870904), (12, 2392420), (15, 1913936), (16, 1794315), (20, 1435452), (24, 1196210), (30, 956968), (37, 775920), (40, 717726), (48, 598105), (53, 541680), (60, 478484), (61, 470640), (74, 387960), (80, 358863), (106, 270840), (111, 258640), (120, 239242), (122, 235320), (148, 193980), (159, 180560), (183, 156880), (185, 155184), (212, 135420), (222, 129320), (240, 119621), (244, 117660), (265, 108336), (296, 96990), (305, 94128), (318, 90280), (366, 78440), (370, 77592), (424, 67710), (444, 64660), (488, 58830), (530, 54168), (555, 51728), (592, 48495), (610, 47064), (636, 45140), (732, 39220), (740, 38796), (795, 36112), (848, 33855), (888, 32330), (915, 31376), (976, 29415), (1060, 27084), (1110, 25864), (1220, 23532), (1272, 22570), (1464, 19610), (1480, 19398), (1590, 18056), (1776, 16165), (1830, 15688), (1961, 14640), (2120, 13542), (2220, 12932), (2257, 12720), (2440, 11766), (2544, 11285), (2928, 9805), (2960, 9699), (3180, 9028), (3233, 8880), (3660, 7844), (3922, 7320), (4240, 6771), (4440, 6466), (4514, 6360), (4880, 5883)]