15656760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 63360000

約数和(自身を除く): 47703240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 109, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 218, 228, 252, 266, 270, 280, 285, 315, 327, 342, 360, 378, 380, 399, 420, 436, 456, 504, 513, 532, 540, 545, 570, 630, 654, 665, 684, 756, 760, 763, 798, 840, 855, 872, 945, 981, 1026, 1064, 1080, 1090, 1140, 1197, 1260, 1308, 1330, 1368, 1512, 1526, 1596, 1635, 1710, 1890, 1962, 1995, 2052, 2071, 2180, 2280, 2289, 2394, 2520, 2565, 2616, 2660, 2943, 3052, 3192, 3270, 3420, 3591, 3780, 3815, 3924, 3990, 4104, 4142, 4360, 4578, 4788, 4905, 5130, 5320, 5886, 5985, 6104, 6213, 6540, 6840, 6867, 7182, 7560, 7630, 7848, 7980, 8284, 9156, 9576, 9810, 10260, 10355, 11445, 11772, 11970, 12426, 13080, 13734, 14364, 14497, 14715, 15260, 15960, 16568, 17955, 18312, 18639, 19620, 20520, 20601, 20710, 22890, 23544, 23940, 24852, 27468, 28728, 28994, 29430, 30520, 31065, 34335, 35910, 37278, 39240, 41202, 41420, 43491, 45780, 47880, 49704, 54936, 55917, 57988, 58860, 62130, 68670, 71820, 72485, 74556, 82404, 82840, 86982, 91560, 93195, 103005, 111834, 115976, 117720, 124260, 130473, 137340, 143640, 144970, 149112, 164808, 173964, 186390, 206010, 217455, 223668, 248520, 260946, 274680, 279585, 289940, 347928, 372780, 391419, 412020, 434910, 447336, 521892, 559170, 579880, 652365, 745560, 782838, 824040, 869820, 1043784, 1118340, 1304730, 1565676, 1739640, 1957095, 2236680, 2609460, 3131352, 3914190, 5218920, 7828380, 15656760]

約数ペア:

[(1, 15656760), (2, 7828380), (3, 5218920), (4, 3914190), (5, 3131352), (6, 2609460), (7, 2236680), (8, 1957095), (9, 1739640), (10, 1565676), (12, 1304730), (14, 1118340), (15, 1043784), (18, 869820), (19, 824040), (20, 782838), (21, 745560), (24, 652365), (27, 579880), (28, 559170), (30, 521892), (35, 447336), (36, 434910), (38, 412020), (40, 391419), (42, 372780), (45, 347928), (54, 289940), (56, 279585), (57, 274680), (60, 260946), (63, 248520), (70, 223668), (72, 217455), (76, 206010), (84, 186390), (90, 173964), (95, 164808), (105, 149112), (108, 144970), (109, 143640), (114, 137340), (120, 130473), (126, 124260), (133, 117720), (135, 115976), (140, 111834), (152, 103005), (168, 93195), (171, 91560), (180, 86982), (189, 82840), (190, 82404), (210, 74556), (216, 72485), (218, 71820), (228, 68670), (252, 62130), (266, 58860), (270, 57988), (280, 55917), (285, 54936), (315, 49704), (327, 47880), (342, 45780), (360, 43491), (378, 41420), (380, 41202), (399, 39240), (420, 37278), (436, 35910), (456, 34335), (504, 31065), (513, 30520), (532, 29430), (540, 28994), (545, 28728), (570, 27468), (630, 24852), (654, 23940), (665, 23544), (684, 22890), (756, 20710), (760, 20601), (763, 20520), (798, 19620), (840, 18639), (855, 18312), (872, 17955), (945, 16568), (981, 15960), (1026, 15260), (1064, 14715), (1080, 14497), (1090, 14364), (1140, 13734), (1197, 13080), (1260, 12426), (1308, 11970), (1330, 11772), (1368, 11445), (1512, 10355), (1526, 10260), (1596, 9810), (1635, 9576), (1710, 9156), (1890, 8284), (1962, 7980), (1995, 7848), (2052, 7630), (2071, 7560), (2180, 7182), (2280, 6867), (2289, 6840), (2394, 6540), (2520, 6213), (2565, 6104), (2616, 5985), (2660, 5886), (2943, 5320), (3052, 5130), (3192, 4905), (3270, 4788), (3420, 4578), (3591, 4360), (3780, 4142), (3815, 4104), (3924, 3990)]