139441640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 359251200

約数和(自身を除く): 219809560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 115, 130, 131, 178, 184, 230, 260, 262, 299, 356, 445, 460, 520, 524, 598, 655, 712, 890, 920, 1048, 1157, 1196, 1310, 1495, 1703, 1780, 2047, 2314, 2392, 2620, 2990, 3013, 3406, 3560, 4094, 4628, 5240, 5785, 5980, 6026, 6812, 8188, 8515, 9256, 10235, 11570, 11659, 11960, 12052, 13624, 15065, 16376, 17030, 20470, 23140, 23318, 24104, 26611, 30130, 34060, 39169, 40940, 46280, 46636, 53222, 58295, 60260, 68120, 78338, 81880, 93272, 106444, 116590, 120520, 133055, 151567, 156676, 195845, 212888, 233180, 266110, 268157, 303134, 313352, 391690, 466360, 532220, 536314, 606268, 757835, 783380, 1064440, 1072628, 1212536, 1340785, 1515670, 1566760, 2145256, 2681570, 3031340, 3486041, 5363140, 6062680, 6972082, 10726280, 13944164, 17430205, 27888328, 34860410, 69720820, 139441640]

約数ペア:

[(1, 139441640), (2, 69720820), (4, 34860410), (5, 27888328), (8, 17430205), (10, 13944164), (13, 10726280), (20, 6972082), (23, 6062680), (26, 5363140), (40, 3486041), (46, 3031340), (52, 2681570), (65, 2145256), (89, 1566760), (92, 1515670), (104, 1340785), (115, 1212536), (130, 1072628), (131, 1064440), (178, 783380), (184, 757835), (230, 606268), (260, 536314), (262, 532220), (299, 466360), (356, 391690), (445, 313352), (460, 303134), (520, 268157), (524, 266110), (598, 233180), (655, 212888), (712, 195845), (890, 156676), (920, 151567), (1048, 133055), (1157, 120520), (1196, 116590), (1310, 106444), (1495, 93272), (1703, 81880), (1780, 78338), (2047, 68120), (2314, 60260), (2392, 58295), (2620, 53222), (2990, 46636), (3013, 46280), (3406, 40940), (3560, 39169), (4094, 34060), (4628, 30130), (5240, 26611), (5785, 24104), (5980, 23318), (6026, 23140), (6812, 20470), (8188, 17030), (8515, 16376), (9256, 15065), (10235, 13624), (11570, 12052), (11659, 11960)]