155861940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 144

約数和(自身を含む): 498052800

約数和(自身を除く): 342190860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 494, 507, 570, 676, 741, 780, 809, 845, 988, 1014, 1140, 1235, 1482, 1618, 1690, 2028, 2427, 2470, 2535, 2964, 3211, 3236, 3380, 3705, 4045, 4854, 4940, 5070, 6422, 7410, 8090, 9633, 9708, 10140, 10517, 12135, 12844, 14820, 15371, 16055, 16180, 19266, 21034, 24270, 30742, 31551, 32110, 38532, 42068, 46113, 48165, 48540, 52585, 61484, 63102, 64220, 76855, 92226, 96330, 105170, 126204, 136721, 153710, 157755, 184452, 192660, 199823, 210340, 230565, 273442, 307420, 315510, 399646, 410163, 461130, 546884, 599469, 631020, 683605, 799292, 820326, 922260, 999115, 1198938, 1367210, 1640652, 1998230, 2050815, 2397876, 2597699, 2734420, 2997345, 3996460, 4101630, 5195398, 5994690, 7793097, 8203260, 10390796, 11989380, 12988495, 15586194, 25976990, 31172388, 38965485, 51953980, 77930970, 155861940]

約数ペア:

[(1, 155861940), (2, 77930970), (3, 51953980), (4, 38965485), (5, 31172388), (6, 25976990), (10, 15586194), (12, 12988495), (13, 11989380), (15, 10390796), (19, 8203260), (20, 7793097), (26, 5994690), (30, 5195398), (38, 4101630), (39, 3996460), (52, 2997345), (57, 2734420), (60, 2597699), (65, 2397876), (76, 2050815), (78, 1998230), (95, 1640652), (114, 1367210), (130, 1198938), (156, 999115), (169, 922260), (190, 820326), (195, 799292), (228, 683605), (247, 631020), (260, 599469), (285, 546884), (338, 461130), (380, 410163), (390, 399646), (494, 315510), (507, 307420), (570, 273442), (676, 230565), (741, 210340), (780, 199823), (809, 192660), (845, 184452), (988, 157755), (1014, 153710), (1140, 136721), (1235, 126204), (1482, 105170), (1618, 96330), (1690, 92226), (2028, 76855), (2427, 64220), (2470, 63102), (2535, 61484), (2964, 52585), (3211, 48540), (3236, 48165), (3380, 46113), (3705, 42068), (4045, 38532), (4854, 32110), (4940, 31551), (5070, 30742), (6422, 24270), (7410, 21034), (8090, 19266), (9633, 16180), (9708, 16055), (10140, 15371), (10517, 14820), (12135, 12844)]