64216920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 141069480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 138, 159, 184, 212, 230, 265, 276, 318, 345, 424, 439, 460, 530, 552, 636, 690, 795, 878, 920, 1060, 1219, 1272, 1317, 1380, 1590, 1756, 2120, 2195, 2438, 2634, 2760, 3180, 3512, 3657, 4390, 4876, 5268, 6095, 6360, 6585, 7314, 8780, 9752, 10097, 10536, 12190, 13170, 14628, 17560, 18285, 20194, 23267, 24380, 26340, 29256, 30291, 36570, 40388, 46534, 48760, 50485, 52680, 60582, 69801, 73140, 80776, 93068, 100970, 116335, 121164, 139602, 146280, 151455, 186136, 201940, 232670, 242328, 279204, 302910, 349005, 403880, 465340, 535141, 558408, 605820, 698010, 930680, 1070282, 1211640, 1396020, 1605423, 2140564, 2675705, 2792040, 3210846, 4281128, 5351410, 6421692, 8027115, 10702820, 12843384, 16054230, 21405640, 32108460, 64216920]

約数ペア:

[(1, 64216920), (2, 32108460), (3, 21405640), (4, 16054230), (5, 12843384), (6, 10702820), (8, 8027115), (10, 6421692), (12, 5351410), (15, 4281128), (20, 3210846), (23, 2792040), (24, 2675705), (30, 2140564), (40, 1605423), (46, 1396020), (53, 1211640), (60, 1070282), (69, 930680), (92, 698010), (106, 605820), (115, 558408), (120, 535141), (138, 465340), (159, 403880), (184, 349005), (212, 302910), (230, 279204), (265, 242328), (276, 232670), (318, 201940), (345, 186136), (424, 151455), (439, 146280), (460, 139602), (530, 121164), (552, 116335), (636, 100970), (690, 93068), (795, 80776), (878, 73140), (920, 69801), (1060, 60582), (1219, 52680), (1272, 50485), (1317, 48760), (1380, 46534), (1590, 40388), (1756, 36570), (2120, 30291), (2195, 29256), (2438, 26340), (2634, 24380), (2760, 23267), (3180, 20194), (3512, 18285), (3657, 17560), (4390, 14628), (4876, 13170), (5268, 12190), (6095, 10536), (6360, 10097), (6585, 9752), (7314, 8780)]