16891590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 42964992

約数和(自身を除く): 26073402

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 443, 465, 615, 886, 930, 1230, 1271, 1329, 2215, 2542, 2658, 3813, 4430, 6355, 6645, 7626, 12710, 13290, 13733, 18163, 19065, 27466, 36326, 38130, 41199, 54489, 68665, 82398, 90815, 108978, 137330, 181630, 205995, 272445, 411990, 544890, 563053, 1126106, 1689159, 2815265, 3378318, 5630530, 8445795, 16891590]

約数ペア:

[(1, 16891590), (2, 8445795), (3, 5630530), (5, 3378318), (6, 2815265), (10, 1689159), (15, 1126106), (30, 563053), (31, 544890), (41, 411990), (62, 272445), (82, 205995), (93, 181630), (123, 137330), (155, 108978), (186, 90815), (205, 82398), (246, 68665), (310, 54489), (410, 41199), (443, 38130), (465, 36326), (615, 27466), (886, 19065), (930, 18163), (1230, 13733), (1271, 13290), (1329, 12710), (2215, 7626), (2542, 6645), (2658, 6355), (3813, 4430)]