27930760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 78019200

約数和(自身を除く): 50088440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 257, 260, 286, 380, 418, 440, 494, 514, 520, 572, 715, 760, 836, 988, 1028, 1045, 1144, 1235, 1285, 1430, 1672, 1976, 2056, 2090, 2470, 2570, 2717, 2827, 2860, 3341, 4180, 4883, 4940, 5140, 5434, 5654, 5720, 6682, 8360, 9766, 9880, 10280, 10868, 11308, 13364, 13585, 14135, 16705, 19532, 21736, 22616, 24415, 26728, 27170, 28270, 33410, 36751, 39064, 48830, 53713, 54340, 56540, 63479, 66820, 73502, 97660, 107426, 108680, 113080, 126958, 133640, 147004, 183755, 195320, 214852, 253916, 268565, 294008, 317395, 367510, 429704, 507832, 537130, 634790, 698269, 735020, 1074260, 1269580, 1396538, 1470040, 2148520, 2539160, 2793076, 3491345, 5586152, 6982690, 13965380, 27930760]

約数ペア:

[(1, 27930760), (2, 13965380), (4, 6982690), (5, 5586152), (8, 3491345), (10, 2793076), (11, 2539160), (13, 2148520), (19, 1470040), (20, 1396538), (22, 1269580), (26, 1074260), (38, 735020), (40, 698269), (44, 634790), (52, 537130), (55, 507832), (65, 429704), (76, 367510), (88, 317395), (95, 294008), (104, 268565), (110, 253916), (130, 214852), (143, 195320), (152, 183755), (190, 147004), (209, 133640), (220, 126958), (247, 113080), (257, 108680), (260, 107426), (286, 97660), (380, 73502), (418, 66820), (440, 63479), (494, 56540), (514, 54340), (520, 53713), (572, 48830), (715, 39064), (760, 36751), (836, 33410), (988, 28270), (1028, 27170), (1045, 26728), (1144, 24415), (1235, 22616), (1285, 21736), (1430, 19532), (1672, 16705), (1976, 14135), (2056, 13585), (2090, 13364), (2470, 11308), (2570, 10868), (2717, 10280), (2827, 9880), (2860, 9766), (3341, 8360), (4180, 6682), (4883, 5720), (4940, 5654), (5140, 5434)]