181384720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 487111680

約数和(自身を除く): 305726960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 61, 62, 80, 88, 109, 110, 122, 124, 155, 176, 218, 220, 244, 248, 305, 310, 341, 436, 440, 488, 496, 545, 610, 620, 671, 682, 872, 880, 976, 1090, 1199, 1220, 1240, 1342, 1364, 1705, 1744, 1891, 2180, 2398, 2440, 2480, 2684, 2728, 3355, 3379, 3410, 3782, 4360, 4796, 4880, 5368, 5456, 5995, 6649, 6710, 6758, 6820, 7564, 8720, 9455, 9592, 10736, 11990, 13298, 13420, 13516, 13640, 15128, 16895, 18910, 19184, 20801, 23980, 26596, 26840, 27032, 27280, 30256, 33245, 33790, 37169, 37820, 41602, 47960, 53192, 53680, 54064, 66490, 67580, 73139, 74338, 75640, 83204, 95920, 104005, 106384, 132980, 135160, 146278, 148676, 151280, 166408, 185845, 206119, 208010, 265960, 270320, 292556, 297352, 332816, 365695, 371690, 412238, 416020, 531920, 585112, 594704, 731390, 743380, 824476, 832040, 1030595, 1170224, 1462780, 1486760, 1648952, 1664080, 2061190, 2267309, 2925560, 2973520, 3297904, 4122380, 4534618, 5851120, 8244760, 9069236, 11336545, 16489520, 18138472, 22673090, 36276944, 45346180, 90692360, 181384720]

約数ペア:

[(1, 181384720), (2, 90692360), (4, 45346180), (5, 36276944), (8, 22673090), (10, 18138472), (11, 16489520), (16, 11336545), (20, 9069236), (22, 8244760), (31, 5851120), (40, 4534618), (44, 4122380), (55, 3297904), (61, 2973520), (62, 2925560), (80, 2267309), (88, 2061190), (109, 1664080), (110, 1648952), (122, 1486760), (124, 1462780), (155, 1170224), (176, 1030595), (218, 832040), (220, 824476), (244, 743380), (248, 731390), (305, 594704), (310, 585112), (341, 531920), (436, 416020), (440, 412238), (488, 371690), (496, 365695), (545, 332816), (610, 297352), (620, 292556), (671, 270320), (682, 265960), (872, 208010), (880, 206119), (976, 185845), (1090, 166408), (1199, 151280), (1220, 148676), (1240, 146278), (1342, 135160), (1364, 132980), (1705, 106384), (1744, 104005), (1891, 95920), (2180, 83204), (2398, 75640), (2440, 74338), (2480, 73139), (2684, 67580), (2728, 66490), (3355, 54064), (3379, 53680), (3410, 53192), (3782, 47960), (4360, 41602), (4796, 37820), (4880, 37169), (5368, 33790), (5456, 33245), (5995, 30256), (6649, 27280), (6710, 27032), (6758, 26840), (6820, 26596), (7564, 23980), (8720, 20801), (9455, 19184), (9592, 18910), (10736, 16895), (11990, 15128), (13298, 13640), (13420, 13516)]