12791940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 44049600

約数和(自身を除く): 31257660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 229, 245, 266, 285, 294, 380, 399, 420, 458, 490, 532, 570, 588, 665, 687, 735, 798, 916, 931, 980, 1140, 1145, 1330, 1374, 1470, 1596, 1603, 1862, 1995, 2290, 2660, 2748, 2793, 2940, 3206, 3435, 3724, 3990, 4351, 4580, 4655, 4809, 5586, 6412, 6870, 7980, 8015, 8702, 9310, 9618, 11172, 11221, 13053, 13740, 13965, 16030, 17404, 18620, 19236, 21755, 22442, 24045, 26106, 27930, 30457, 32060, 33663, 43510, 44884, 48090, 52212, 55860, 56105, 60914, 65265, 67326, 87020, 91371, 96180, 112210, 121828, 130530, 134652, 152285, 168315, 182742, 213199, 224420, 261060, 304570, 336630, 365484, 426398, 456855, 609140, 639597, 673260, 852796, 913710, 1065995, 1279194, 1827420, 2131990, 2558388, 3197985, 4263980, 6395970, 12791940]

約数ペア:

[(1, 12791940), (2, 6395970), (3, 4263980), (4, 3197985), (5, 2558388), (6, 2131990), (7, 1827420), (10, 1279194), (12, 1065995), (14, 913710), (15, 852796), (19, 673260), (20, 639597), (21, 609140), (28, 456855), (30, 426398), (35, 365484), (38, 336630), (42, 304570), (49, 261060), (57, 224420), (60, 213199), (70, 182742), (76, 168315), (84, 152285), (95, 134652), (98, 130530), (105, 121828), (114, 112210), (133, 96180), (140, 91371), (147, 87020), (190, 67326), (196, 65265), (210, 60914), (228, 56105), (229, 55860), (245, 52212), (266, 48090), (285, 44884), (294, 43510), (380, 33663), (399, 32060), (420, 30457), (458, 27930), (490, 26106), (532, 24045), (570, 22442), (588, 21755), (665, 19236), (687, 18620), (735, 17404), (798, 16030), (916, 13965), (931, 13740), (980, 13053), (1140, 11221), (1145, 11172), (1330, 9618), (1374, 9310), (1470, 8702), (1596, 8015), (1603, 7980), (1862, 6870), (1995, 6412), (2290, 5586), (2660, 4809), (2748, 4655), (2793, 4580), (2940, 4351), (3206, 3990), (3435, 3724)]