30539080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 85276800

約数和(自身を除く): 54737720

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, 260, 281, 286, 380, 418, 440, 494, 520, 562, 572, 715, 760, 836, 988, 1045, 1124, 1144, 1235, 1405, 1430, 1672, 1976, 2090, 2248, 2470, 2717, 2810, 2860, 3091, 3653, 4180, 4940, 5339, 5434, 5620, 5720, 6182, 7306, 8360, 9880, 10678, 10868, 11240, 12364, 13585, 14612, 15455, 18265, 21356, 21736, 24728, 26695, 27170, 29224, 30910, 36530, 40183, 42712, 53390, 54340, 58729, 61820, 69407, 73060, 80366, 106780, 108680, 117458, 123640, 138814, 146120, 160732, 200915, 213560, 234916, 277628, 293645, 321464, 347035, 401830, 469832, 555256, 587290, 694070, 763477, 803660, 1174580, 1388140, 1526954, 1607320, 2349160, 2776280, 3053908, 3817385, 6107816, 7634770, 15269540, 30539080]

約数ペア:

[(1, 30539080), (2, 15269540), (4, 7634770), (5, 6107816), (8, 3817385), (10, 3053908), (11, 2776280), (13, 2349160), (19, 1607320), (20, 1526954), (22, 1388140), (26, 1174580), (38, 803660), (40, 763477), (44, 694070), (52, 587290), (55, 555256), (65, 469832), (76, 401830), (88, 347035), (95, 321464), (104, 293645), (110, 277628), (130, 234916), (143, 213560), (152, 200915), (190, 160732), (209, 146120), (220, 138814), (247, 123640), (260, 117458), (281, 108680), (286, 106780), (380, 80366), (418, 73060), (440, 69407), (494, 61820), (520, 58729), (562, 54340), (572, 53390), (715, 42712), (760, 40183), (836, 36530), (988, 30910), (1045, 29224), (1124, 27170), (1144, 26695), (1235, 24728), (1405, 21736), (1430, 21356), (1672, 18265), (1976, 15455), (2090, 14612), (2248, 13585), (2470, 12364), (2717, 11240), (2810, 10868), (2860, 10678), (3091, 9880), (3653, 8360), (4180, 7306), (4940, 6182), (5339, 5720), (5434, 5620)]