156780390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2221}}^1$

素因数の和:2425

約数の個数: 64

約数和(自身を含む): 407639232

約数和(自身を除く): 250858842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 181, 195, 362, 390, 543, 905, 1086, 1810, 2221, 2353, 2715, 4442, 4706, 5430, 6663, 7059, 11105, 11765, 13326, 14118, 22210, 23530, 28873, 33315, 35295, 57746, 66630, 70590, 86619, 144365, 173238, 288730, 402001, 433095, 804002, 866190, 1206003, 2010005, 2412006, 4020010, 5226013, 6030015, 10452026, 12060030, 15678039, 26130065, 31356078, 52260130, 78390195, 156780390]

約数ペア:

[(1, 156780390), (2, 78390195), (3, 52260130), (5, 31356078), (6, 26130065), (10, 15678039), (13, 12060030), (15, 10452026), (26, 6030015), (30, 5226013), (39, 4020010), (65, 2412006), (78, 2010005), (130, 1206003), (181, 866190), (195, 804002), (362, 433095), (390, 402001), (543, 288730), (905, 173238), (1086, 144365), (1810, 86619), (2221, 70590), (2353, 66630), (2715, 57746), (4442, 35295), (4706, 33315), (5430, 28873), (6663, 23530), (7059, 22210), (11105, 14118), (11765, 13326)]