71303960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1081

約数の個数: 128

約数和(自身を含む): 208051200

約数和(自身を除く): 136747240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1031, 1064, 1235, 1330, 1729, 1820, 1976, 2062, 2470, 2660, 3458, 3640, 4124, 4940, 5155, 5320, 6916, 7217, 8248, 8645, 9880, 10310, 13403, 13832, 14434, 17290, 19589, 20620, 26806, 28868, 34580, 36085, 39178, 41240, 53612, 57736, 67015, 69160, 72170, 78356, 93821, 97945, 107224, 134030, 137123, 144340, 156712, 187642, 195890, 254657, 268060, 274246, 288680, 375284, 391780, 469105, 509314, 536120, 548492, 685615, 750568, 783560, 938210, 1018628, 1096984, 1273285, 1371230, 1782599, 1876420, 2037256, 2546570, 2742460, 3565198, 3752840, 5093140, 5484920, 7130396, 8912995, 10186280, 14260792, 17825990, 35651980, 71303960]

約数ペア:

[(1, 71303960), (2, 35651980), (4, 17825990), (5, 14260792), (7, 10186280), (8, 8912995), (10, 7130396), (13, 5484920), (14, 5093140), (19, 3752840), (20, 3565198), (26, 2742460), (28, 2546570), (35, 2037256), (38, 1876420), (40, 1782599), (52, 1371230), (56, 1273285), (65, 1096984), (70, 1018628), (76, 938210), (91, 783560), (95, 750568), (104, 685615), (130, 548492), (133, 536120), (140, 509314), (152, 469105), (182, 391780), (190, 375284), (247, 288680), (260, 274246), (266, 268060), (280, 254657), (364, 195890), (380, 187642), (455, 156712), (494, 144340), (520, 137123), (532, 134030), (665, 107224), (728, 97945), (760, 93821), (910, 78356), (988, 72170), (1031, 69160), (1064, 67015), (1235, 57736), (1330, 53612), (1729, 41240), (1820, 39178), (1976, 36085), (2062, 34580), (2470, 28868), (2660, 26806), (3458, 20620), (3640, 19589), (4124, 17290), (4940, 14434), (5155, 13832), (5320, 13403), (6916, 10310), (7217, 9880), (8248, 8645)]