40905720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 138279960

約数和(自身を除く): 97374240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 83, 90, 111, 120, 148, 166, 180, 185, 222, 249, 296, 332, 333, 360, 370, 415, 444, 498, 555, 664, 666, 740, 747, 830, 888, 996, 1110, 1245, 1332, 1369, 1480, 1494, 1660, 1665, 1992, 2220, 2490, 2664, 2738, 2988, 3071, 3320, 3330, 3735, 4107, 4440, 4980, 5476, 5976, 6142, 6660, 6845, 7470, 8214, 9213, 9960, 10952, 12284, 12321, 13320, 13690, 14940, 15355, 16428, 18426, 20535, 24568, 24642, 27380, 27639, 29880, 30710, 32856, 36852, 41070, 46065, 49284, 54760, 55278, 61420, 61605, 73704, 82140, 92130, 98568, 110556, 113627, 122840, 123210, 138195, 164280, 184260, 221112, 227254, 246420, 276390, 340881, 368520, 454508, 492840, 552780, 568135, 681762, 909016, 1022643, 1105560, 1136270, 1363524, 1704405, 2045286, 2272540, 2727048, 3408810, 4090572, 4545080, 5113215, 6817620, 8181144, 10226430, 13635240, 20452860, 40905720]

約数ペア:

[(1, 40905720), (2, 20452860), (3, 13635240), (4, 10226430), (5, 8181144), (6, 6817620), (8, 5113215), (9, 4545080), (10, 4090572), (12, 3408810), (15, 2727048), (18, 2272540), (20, 2045286), (24, 1704405), (30, 1363524), (36, 1136270), (37, 1105560), (40, 1022643), (45, 909016), (60, 681762), (72, 568135), (74, 552780), (83, 492840), (90, 454508), (111, 368520), (120, 340881), (148, 276390), (166, 246420), (180, 227254), (185, 221112), (222, 184260), (249, 164280), (296, 138195), (332, 123210), (333, 122840), (360, 113627), (370, 110556), (415, 98568), (444, 92130), (498, 82140), (555, 73704), (664, 61605), (666, 61420), (740, 55278), (747, 54760), (830, 49284), (888, 46065), (996, 41070), (1110, 36852), (1245, 32856), (1332, 30710), (1369, 29880), (1480, 27639), (1494, 27380), (1660, 24642), (1665, 24568), (1992, 20535), (2220, 18426), (2490, 16428), (2664, 15355), (2738, 14940), (2988, 13690), (3071, 13320), (3320, 12321), (3330, 12284), (3735, 10952), (4107, 9960), (4440, 9213), (4980, 8214), (5476, 7470), (5976, 6845), (6142, 6660)]