207982720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1014

約数の個数: 128

約数和(自身を含む): 560494080

約数和(自身を除く): 352511360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 953, 992, 1240, 1364, 1408, 1705, 1760, 1906, 1984, 2480, 2728, 3410, 3520, 3812, 3968, 4765, 4960, 5456, 6820, 7040, 7624, 9530, 9920, 10483, 10912, 13640, 15248, 19060, 19840, 20966, 21824, 27280, 29543, 30496, 38120, 41932, 43648, 52415, 54560, 59086, 60992, 76240, 83864, 104830, 109120, 118172, 121984, 147715, 152480, 167728, 209660, 218240, 236344, 295430, 304960, 324973, 335456, 419320, 472688, 590860, 609920, 649946, 670912, 838640, 945376, 1181720, 1299892, 1341824, 1624865, 1677280, 1890752, 2363440, 2599784, 3249730, 3354560, 3781504, 4726880, 5199568, 6499460, 6709120, 9453760, 10399136, 12998920, 18907520, 20798272, 25997840, 41596544, 51995680, 103991360, 207982720]

約数ペア:

[(1, 207982720), (2, 103991360), (4, 51995680), (5, 41596544), (8, 25997840), (10, 20798272), (11, 18907520), (16, 12998920), (20, 10399136), (22, 9453760), (31, 6709120), (32, 6499460), (40, 5199568), (44, 4726880), (55, 3781504), (62, 3354560), (64, 3249730), (80, 2599784), (88, 2363440), (110, 1890752), (124, 1677280), (128, 1624865), (155, 1341824), (160, 1299892), (176, 1181720), (220, 945376), (248, 838640), (310, 670912), (320, 649946), (341, 609920), (352, 590860), (440, 472688), (496, 419320), (620, 335456), (640, 324973), (682, 304960), (704, 295430), (880, 236344), (953, 218240), (992, 209660), (1240, 167728), (1364, 152480), (1408, 147715), (1705, 121984), (1760, 118172), (1906, 109120), (1984, 104830), (2480, 83864), (2728, 76240), (3410, 60992), (3520, 59086), (3812, 54560), (3968, 52415), (4765, 43648), (4960, 41932), (5456, 38120), (6820, 30496), (7040, 29543), (7624, 27280), (9530, 21824), (9920, 20966), (10483, 19840), (10912, 19060), (13640, 15248)]