18188040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 41687160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 131, 156, 178, 195, 260, 262, 267, 312, 356, 390, 393, 445, 520, 524, 534, 655, 712, 780, 786, 890, 1048, 1068, 1157, 1310, 1335, 1560, 1572, 1703, 1780, 1965, 2136, 2314, 2620, 2670, 3144, 3406, 3471, 3560, 3930, 4628, 5109, 5240, 5340, 5785, 6812, 6942, 7860, 8515, 9256, 10218, 10680, 11570, 11659, 13624, 13884, 15720, 17030, 17355, 20436, 23140, 23318, 25545, 27768, 34060, 34710, 34977, 40872, 46280, 46636, 51090, 58295, 68120, 69420, 69954, 93272, 102180, 116590, 138840, 139908, 151567, 174885, 204360, 233180, 279816, 303134, 349770, 454701, 466360, 606268, 699540, 757835, 909402, 1212536, 1399080, 1515670, 1818804, 2273505, 3031340, 3637608, 4547010, 6062680, 9094020, 18188040]

約数ペア:

[(1, 18188040), (2, 9094020), (3, 6062680), (4, 4547010), (5, 3637608), (6, 3031340), (8, 2273505), (10, 1818804), (12, 1515670), (13, 1399080), (15, 1212536), (20, 909402), (24, 757835), (26, 699540), (30, 606268), (39, 466360), (40, 454701), (52, 349770), (60, 303134), (65, 279816), (78, 233180), (89, 204360), (104, 174885), (120, 151567), (130, 139908), (131, 138840), (156, 116590), (178, 102180), (195, 93272), (260, 69954), (262, 69420), (267, 68120), (312, 58295), (356, 51090), (390, 46636), (393, 46280), (445, 40872), (520, 34977), (524, 34710), (534, 34060), (655, 27768), (712, 25545), (780, 23318), (786, 23140), (890, 20436), (1048, 17355), (1068, 17030), (1157, 15720), (1310, 13884), (1335, 13624), (1560, 11659), (1572, 11570), (1703, 10680), (1780, 10218), (1965, 9256), (2136, 8515), (2314, 7860), (2620, 6942), (2670, 6812), (3144, 5785), (3406, 5340), (3471, 5240), (3560, 5109), (3930, 4628)]