28913040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3121

約数の個数: 120

約数和(自身を含む): 104602680

約数和(自身を除く): 75689640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3089, 3120, 4680, 6178, 9267, 9360, 12356, 15445, 18534, 24712, 27801, 30890, 37068, 40157, 46335, 49424, 55602, 61780, 74136, 80314, 92670, 111204, 120471, 123560, 139005, 148272, 160628, 185340, 200785, 222408, 240942, 247120, 278010, 321256, 361413, 370680, 401570, 444816, 481884, 556020, 602355, 642512, 722826, 741360, 803140, 963768, 1112040, 1204710, 1445652, 1606280, 1807065, 1927536, 2224080, 2409420, 2891304, 3212560, 3614130, 4818840, 5782608, 7228260, 9637680, 14456520, 28913040]

約数ペア:

[(1, 28913040), (2, 14456520), (3, 9637680), (4, 7228260), (5, 5782608), (6, 4818840), (8, 3614130), (9, 3212560), (10, 2891304), (12, 2409420), (13, 2224080), (15, 1927536), (16, 1807065), (18, 1606280), (20, 1445652), (24, 1204710), (26, 1112040), (30, 963768), (36, 803140), (39, 741360), (40, 722826), (45, 642512), (48, 602355), (52, 556020), (60, 481884), (65, 444816), (72, 401570), (78, 370680), (80, 361413), (90, 321256), (104, 278010), (117, 247120), (120, 240942), (130, 222408), (144, 200785), (156, 185340), (180, 160628), (195, 148272), (208, 139005), (234, 123560), (240, 120471), (260, 111204), (312, 92670), (360, 80314), (390, 74136), (468, 61780), (520, 55602), (585, 49424), (624, 46335), (720, 40157), (780, 37068), (936, 30890), (1040, 27801), (1170, 24712), (1560, 18534), (1872, 15445), (2340, 12356), (3089, 9360), (3120, 9267), (4680, 6178)]