1239815640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{210853}}^1$

素因数の和:210881

約数の個数: 96

約数和(自身を含む): 4326724080

約数和(自身を除く): 3086908440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 210853, 421706, 632559, 843412, 1054265, 1265118, 1475971, 1686824, 2108530, 2530236, 2951942, 3162795, 4217060, 4427913, 5060472, 5903884, 6325590, 7379855, 8434120, 8855826, 10331797, 11807768, 12651180, 14759710, 17711652, 20663594, 22139565, 25302360, 29519420, 30995391, 35423304, 41327188, 44279130, 51658985, 59038840, 61990782, 82654376, 88558260, 103317970, 123981564, 154976955, 177116520, 206635940, 247963128, 309953910, 413271880, 619907820, 1239815640]

約数ペア:

[(1, 1239815640), (2, 619907820), (3, 413271880), (4, 309953910), (5, 247963128), (6, 206635940), (7, 177116520), (8, 154976955), (10, 123981564), (12, 103317970), (14, 88558260), (15, 82654376), (20, 61990782), (21, 59038840), (24, 51658985), (28, 44279130), (30, 41327188), (35, 35423304), (40, 30995391), (42, 29519420), (49, 25302360), (56, 22139565), (60, 20663594), (70, 17711652), (84, 14759710), (98, 12651180), (105, 11807768), (120, 10331797), (140, 8855826), (147, 8434120), (168, 7379855), (196, 6325590), (210, 5903884), (245, 5060472), (280, 4427913), (294, 4217060), (392, 3162795), (420, 2951942), (490, 2530236), (588, 2108530), (735, 1686824), (840, 1475971), (980, 1265118), (1176, 1054265), (1470, 843412), (1960, 632559), (2940, 421706), (5880, 210853)]