28601040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 97493760

約数和(自身を除く): 68892720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 89, 103, 104, 120, 130, 156, 178, 195, 206, 208, 240, 260, 267, 309, 312, 356, 390, 412, 445, 515, 520, 534, 618, 624, 712, 780, 824, 890, 1030, 1040, 1068, 1157, 1236, 1335, 1339, 1424, 1545, 1560, 1648, 1780, 2060, 2136, 2314, 2472, 2670, 2678, 3090, 3120, 3471, 3560, 4017, 4120, 4272, 4628, 4944, 5340, 5356, 5785, 6180, 6695, 6942, 7120, 8034, 8240, 9167, 9256, 10680, 10712, 11570, 12360, 13390, 13884, 16068, 17355, 18334, 18512, 20085, 21360, 21424, 23140, 24720, 26780, 27501, 27768, 32136, 34710, 36668, 40170, 45835, 46280, 53560, 55002, 55536, 64272, 69420, 73336, 80340, 91670, 92560, 107120, 110004, 119171, 137505, 138840, 146672, 160680, 183340, 220008, 238342, 275010, 277680, 321360, 357513, 366680, 440016, 476684, 550020, 595855, 715026, 733360, 953368, 1100040, 1191710, 1430052, 1787565, 1906736, 2200080, 2383420, 2860104, 3575130, 4766840, 5720208, 7150260, 9533680, 14300520, 28601040]

約数ペア:

[(1, 28601040), (2, 14300520), (3, 9533680), (4, 7150260), (5, 5720208), (6, 4766840), (8, 3575130), (10, 2860104), (12, 2383420), (13, 2200080), (15, 1906736), (16, 1787565), (20, 1430052), (24, 1191710), (26, 1100040), (30, 953368), (39, 733360), (40, 715026), (48, 595855), (52, 550020), (60, 476684), (65, 440016), (78, 366680), (80, 357513), (89, 321360), (103, 277680), (104, 275010), (120, 238342), (130, 220008), (156, 183340), (178, 160680), (195, 146672), (206, 138840), (208, 137505), (240, 119171), (260, 110004), (267, 107120), (309, 92560), (312, 91670), (356, 80340), (390, 73336), (412, 69420), (445, 64272), (515, 55536), (520, 55002), (534, 53560), (618, 46280), (624, 45835), (712, 40170), (780, 36668), (824, 34710), (890, 32136), (1030, 27768), (1040, 27501), (1068, 26780), (1157, 24720), (1236, 23140), (1335, 21424), (1339, 21360), (1424, 20085), (1545, 18512), (1560, 18334), (1648, 17355), (1780, 16068), (2060, 13884), (2136, 13390), (2314, 12360), (2472, 11570), (2670, 10712), (2678, 10680), (3090, 9256), (3120, 9167), (3471, 8240), (3560, 8034), (4017, 7120), (4120, 6942), (4272, 6695), (4628, 6180), (4944, 5785), (5340, 5356)]