157251920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 452113920

約数和(自身を除く): 294862000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 161, 184, 203, 230, 232, 280, 290, 322, 368, 406, 421, 460, 464, 560, 580, 644, 667, 805, 812, 842, 920, 1015, 1160, 1288, 1334, 1610, 1624, 1684, 1840, 2030, 2105, 2320, 2576, 2668, 2947, 3220, 3248, 3335, 3368, 4060, 4210, 4669, 5336, 5894, 6440, 6670, 6736, 8120, 8420, 9338, 9683, 10672, 11788, 12209, 12880, 13340, 14735, 16240, 16840, 18676, 19366, 23345, 23576, 24418, 26680, 29470, 33680, 37352, 38732, 46690, 47152, 48415, 48836, 53360, 58940, 61045, 67781, 74704, 77464, 85463, 93380, 96830, 97672, 117880, 122090, 135562, 154928, 170926, 186760, 193660, 195344, 235760, 244180, 271124, 280807, 338905, 341852, 373520, 387320, 427315, 488360, 542248, 561614, 677810, 683704, 774640, 854630, 976720, 1084496, 1123228, 1355620, 1367408, 1404035, 1709260, 1965649, 2246456, 2711240, 2808070, 3418520, 3931298, 4492912, 5422480, 5616140, 6837040, 7862596, 9828245, 11232280, 15725192, 19656490, 22464560, 31450384, 39312980, 78625960, 157251920]

約数ペア:

[(1, 157251920), (2, 78625960), (4, 39312980), (5, 31450384), (7, 22464560), (8, 19656490), (10, 15725192), (14, 11232280), (16, 9828245), (20, 7862596), (23, 6837040), (28, 5616140), (29, 5422480), (35, 4492912), (40, 3931298), (46, 3418520), (56, 2808070), (58, 2711240), (70, 2246456), (80, 1965649), (92, 1709260), (112, 1404035), (115, 1367408), (116, 1355620), (140, 1123228), (145, 1084496), (161, 976720), (184, 854630), (203, 774640), (230, 683704), (232, 677810), (280, 561614), (290, 542248), (322, 488360), (368, 427315), (406, 387320), (421, 373520), (460, 341852), (464, 338905), (560, 280807), (580, 271124), (644, 244180), (667, 235760), (805, 195344), (812, 193660), (842, 186760), (920, 170926), (1015, 154928), (1160, 135562), (1288, 122090), (1334, 117880), (1610, 97672), (1624, 96830), (1684, 93380), (1840, 85463), (2030, 77464), (2105, 74704), (2320, 67781), (2576, 61045), (2668, 58940), (2947, 53360), (3220, 48836), (3248, 48415), (3335, 47152), (3368, 46690), (4060, 38732), (4210, 37352), (4669, 33680), (5336, 29470), (5894, 26680), (6440, 24418), (6670, 23576), (6736, 23345), (8120, 19366), (8420, 18676), (9338, 16840), (9683, 16240), (10672, 14735), (11788, 13340), (12209, 12880)]