81535080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3295

約数の個数: 128

約数和(自身を含む): 280972800

約数和(自身を除く): 199437720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 3251, 4180, 5016, 6270, 6502, 8360, 9753, 12540, 13004, 16255, 19506, 25080, 26008, 32510, 35761, 39012, 48765, 61769, 65020, 71522, 78024, 97530, 107283, 123538, 130040, 143044, 178805, 185307, 195060, 214566, 247076, 286088, 308845, 357610, 370614, 390120, 429132, 494152, 536415, 617690, 679459, 715220, 741228, 858264, 926535, 1072830, 1235380, 1358918, 1430440, 1482456, 1853070, 2038377, 2145660, 2470760, 2717836, 3397295, 3706140, 4076754, 4291320, 5435672, 6794590, 7412280, 8153508, 10191885, 13589180, 16307016, 20383770, 27178360, 40767540, 81535080]

約数ペア:

[(1, 81535080), (2, 40767540), (3, 27178360), (4, 20383770), (5, 16307016), (6, 13589180), (8, 10191885), (10, 8153508), (11, 7412280), (12, 6794590), (15, 5435672), (19, 4291320), (20, 4076754), (22, 3706140), (24, 3397295), (30, 2717836), (33, 2470760), (38, 2145660), (40, 2038377), (44, 1853070), (55, 1482456), (57, 1430440), (60, 1358918), (66, 1235380), (76, 1072830), (88, 926535), (95, 858264), (110, 741228), (114, 715220), (120, 679459), (132, 617690), (152, 536415), (165, 494152), (190, 429132), (209, 390120), (220, 370614), (228, 357610), (264, 308845), (285, 286088), (330, 247076), (380, 214566), (418, 195060), (440, 185307), (456, 178805), (570, 143044), (627, 130040), (660, 123538), (760, 107283), (836, 97530), (1045, 78024), (1140, 71522), (1254, 65020), (1320, 61769), (1672, 48765), (2090, 39012), (2280, 35761), (2508, 32510), (3135, 26008), (3251, 25080), (4180, 19506), (5016, 16255), (6270, 13004), (6502, 12540), (8360, 9753)]