221666760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 256

約数和(自身を含む): 855360000

約数和(自身を除く): 633693240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 109, 120, 126, 135, 140, 168, 180, 189, 210, 216, 218, 252, 269, 270, 280, 315, 327, 360, 378, 420, 436, 504, 538, 540, 545, 630, 654, 756, 763, 807, 840, 872, 945, 981, 1076, 1080, 1090, 1260, 1308, 1345, 1512, 1526, 1614, 1635, 1883, 1890, 1962, 2152, 2180, 2289, 2421, 2520, 2616, 2690, 2943, 3052, 3228, 3270, 3766, 3780, 3815, 3924, 4035, 4360, 4578, 4842, 4905, 5380, 5649, 5886, 6104, 6456, 6540, 6867, 7263, 7532, 7560, 7630, 7848, 8070, 9156, 9415, 9684, 9810, 10760, 11298, 11445, 11772, 12105, 13080, 13734, 14526, 14715, 15064, 15260, 16140, 16947, 18312, 18830, 19368, 19620, 20601, 22596, 22890, 23544, 24210, 27468, 28245, 29052, 29321, 29430, 30520, 32280, 33894, 34335, 36315, 37660, 39240, 41202, 45192, 45780, 48420, 50841, 54936, 56490, 58104, 58642, 58860, 67788, 68670, 72630, 75320, 82404, 84735, 87963, 91560, 96840, 101682, 103005, 112980, 117284, 117720, 135576, 137340, 145260, 146605, 164808, 169470, 175926, 203364, 205247, 206010, 225960, 234568, 254205, 263889, 274680, 290520, 293210, 338940, 351852, 406728, 410494, 412020, 439815, 508410, 527778, 586420, 615741, 677880, 703704, 791667, 820988, 824040, 879630, 1016820, 1026235, 1055556, 1172840, 1231482, 1319445, 1583334, 1641976, 1759260, 1847223, 2033640, 2052470, 2111112, 2462964, 2638890, 3078705, 3166668, 3518520, 3694446, 3958335, 4104940, 4925928, 5277780, 5541669, 6157410, 6333336, 7388892, 7916670, 8209880, 9236115, 10555560, 11083338, 12314820, 14777784, 15833340, 18472230, 22166676, 24629640, 27708345, 31666680, 36944460, 44333352, 55416690, 73888920, 110833380, 221666760]

約数ペア:

[(1, 221666760), (2, 110833380), (3, 73888920), (4, 55416690), (5, 44333352), (6, 36944460), (7, 31666680), (8, 27708345), (9, 24629640), (10, 22166676), (12, 18472230), (14, 15833340), (15, 14777784), (18, 12314820), (20, 11083338), (21, 10555560), (24, 9236115), (27, 8209880), (28, 7916670), (30, 7388892), (35, 6333336), (36, 6157410), (40, 5541669), (42, 5277780), (45, 4925928), (54, 4104940), (56, 3958335), (60, 3694446), (63, 3518520), (70, 3166668), (72, 3078705), (84, 2638890), (90, 2462964), (105, 2111112), (108, 2052470), (109, 2033640), (120, 1847223), (126, 1759260), (135, 1641976), (140, 1583334), (168, 1319445), (180, 1231482), (189, 1172840), (210, 1055556), (216, 1026235), (218, 1016820), (252, 879630), (269, 824040), (270, 820988), (280, 791667), (315, 703704), (327, 677880), (360, 615741), (378, 586420), (420, 527778), (436, 508410), (504, 439815), (538, 412020), (540, 410494), (545, 406728), (630, 351852), (654, 338940), (756, 293210), (763, 290520), (807, 274680), (840, 263889), (872, 254205), (945, 234568), (981, 225960), (1076, 206010), (1080, 205247), (1090, 203364), (1260, 175926), (1308, 169470), (1345, 164808), (1512, 146605), (1526, 145260), (1614, 137340), (1635, 135576), (1883, 117720), (1890, 117284), (1962, 112980), (2152, 103005), (2180, 101682), (2289, 96840), (2421, 91560), (2520, 87963), (2616, 84735), (2690, 82404), (2943, 75320), (3052, 72630), (3228, 68670), (3270, 67788), (3766, 58860), (3780, 58642), (3815, 58104), (3924, 56490), (4035, 54936), (4360, 50841), (4578, 48420), (4842, 45780), (4905, 45192), (5380, 41202), (5649, 39240), (5886, 37660), (6104, 36315), (6456, 34335), (6540, 33894), (6867, 32280), (7263, 30520), (7532, 29430), (7560, 29321), (7630, 29052), (7848, 28245), (8070, 27468), (9156, 24210), (9415, 23544), (9684, 22890), (9810, 22596), (10760, 20601), (11298, 19620), (11445, 19368), (11772, 18830), (12105, 18312), (13080, 16947), (13734, 16140), (14526, 15260), (14715, 15064)]