12229890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 30748032

約数和(自身を除く): 18518142

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 61, 82, 122, 123, 163, 183, 205, 246, 305, 326, 366, 410, 489, 610, 615, 815, 915, 978, 1230, 1630, 1830, 2445, 2501, 4890, 5002, 6683, 7503, 9943, 12505, 13366, 15006, 19886, 20049, 25010, 29829, 33415, 37515, 40098, 49715, 59658, 66830, 75030, 99430, 100245, 149145, 200490, 298290, 407663, 815326, 1222989, 2038315, 2445978, 4076630, 6114945, 12229890]

約数ペア:

[(1, 12229890), (2, 6114945), (3, 4076630), (5, 2445978), (6, 2038315), (10, 1222989), (15, 815326), (30, 407663), (41, 298290), (61, 200490), (82, 149145), (122, 100245), (123, 99430), (163, 75030), (183, 66830), (205, 59658), (246, 49715), (305, 40098), (326, 37515), (366, 33415), (410, 29829), (489, 25010), (610, 20049), (615, 19886), (815, 15006), (915, 13366), (978, 12505), (1230, 9943), (1630, 7503), (1830, 6683), (2445, 5002), (2501, 4890)]