198218640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2609

約数の個数: 160

約数和(自身を含む): 685134720

約数和(自身を除く): 486916080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2557, 2584, 3230, 3876, 4080, 4560, 4845, 5114, 5168, 6460, 7671, 7752, 9690, 10228, 12785, 12920, 15342, 15504, 19380, 20456, 25570, 25840, 30684, 38355, 38760, 40912, 43469, 48583, 51140, 61368, 76710, 77520, 86938, 97166, 102280, 122736, 130407, 145749, 153420, 173876, 194332, 204560, 217345, 242915, 260814, 291498, 306840, 347752, 388664, 434690, 485830, 521628, 582996, 613680, 652035, 695504, 728745, 777328, 825911, 869380, 971660, 1043256, 1165992, 1304070, 1457490, 1651822, 1738760, 1943320, 2086512, 2331984, 2477733, 2608140, 2914980, 3303644, 3477520, 3886640, 4129555, 4955466, 5216280, 5829960, 6607288, 8259110, 9910932, 10432560, 11659920, 12388665, 13214576, 16518220, 19821864, 24777330, 33036440, 39643728, 49554660, 66072880, 99109320, 198218640]

約数ペア:

[(1, 198218640), (2, 99109320), (3, 66072880), (4, 49554660), (5, 39643728), (6, 33036440), (8, 24777330), (10, 19821864), (12, 16518220), (15, 13214576), (16, 12388665), (17, 11659920), (19, 10432560), (20, 9910932), (24, 8259110), (30, 6607288), (34, 5829960), (38, 5216280), (40, 4955466), (48, 4129555), (51, 3886640), (57, 3477520), (60, 3303644), (68, 2914980), (76, 2608140), (80, 2477733), (85, 2331984), (95, 2086512), (102, 1943320), (114, 1738760), (120, 1651822), (136, 1457490), (152, 1304070), (170, 1165992), (190, 1043256), (204, 971660), (228, 869380), (240, 825911), (255, 777328), (272, 728745), (285, 695504), (304, 652035), (323, 613680), (340, 582996), (380, 521628), (408, 485830), (456, 434690), (510, 388664), (570, 347752), (646, 306840), (680, 291498), (760, 260814), (816, 242915), (912, 217345), (969, 204560), (1020, 194332), (1140, 173876), (1292, 153420), (1360, 145749), (1520, 130407), (1615, 122736), (1938, 102280), (2040, 97166), (2280, 86938), (2557, 77520), (2584, 76710), (3230, 61368), (3876, 51140), (4080, 48583), (4560, 43469), (4845, 40912), (5114, 38760), (5168, 38355), (6460, 30684), (7671, 25840), (7752, 25570), (9690, 20456), (10228, 19380), (12785, 15504), (12920, 15342)]