28177380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 288

約数和(自身を含む): 113218560

約数和(自身を除く): 85041180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 107, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 214, 220, 228, 231, 252, 266, 285, 308, 315, 321, 330, 342, 380, 385, 396, 399, 418, 420, 428, 462, 495, 532, 535, 570, 627, 630, 642, 660, 665, 684, 693, 749, 770, 798, 836, 855, 924, 963, 990, 1045, 1070, 1140, 1155, 1177, 1197, 1254, 1260, 1284, 1330, 1386, 1463, 1498, 1540, 1596, 1605, 1710, 1881, 1926, 1980, 1995, 2033, 2090, 2140, 2247, 2310, 2354, 2394, 2508, 2660, 2772, 2926, 2996, 3135, 3210, 3420, 3465, 3531, 3745, 3762, 3852, 3990, 4066, 4180, 4389, 4494, 4620, 4708, 4788, 4815, 5852, 5885, 5985, 6099, 6270, 6420, 6741, 6930, 7062, 7315, 7490, 7524, 7980, 8132, 8239, 8778, 8988, 9405, 9630, 10165, 10593, 11235, 11770, 11970, 12198, 12540, 13167, 13482, 13860, 14124, 14231, 14630, 14980, 16478, 17556, 17655, 18297, 18810, 19260, 20330, 21186, 21945, 22363, 22470, 23540, 23940, 24396, 24717, 26334, 26964, 28462, 29260, 30495, 32956, 33705, 35310, 36594, 37620, 40660, 41195, 42372, 42693, 43890, 44726, 44940, 49434, 52668, 52965, 56924, 60990, 65835, 67089, 67410, 70620, 71155, 73188, 74151, 82390, 85386, 87780, 89452, 91485, 98868, 105930, 111815, 121980, 123585, 128079, 131670, 134178, 134820, 142310, 148302, 156541, 164780, 170772, 182970, 201267, 211860, 213465, 223630, 247170, 256158, 263340, 268356, 284620, 296604, 313082, 335445, 365940, 370755, 402534, 426930, 447260, 469623, 494340, 512316, 626164, 640395, 670890, 741510, 782705, 805068, 853860, 939246, 1006335, 1280790, 1341780, 1408869, 1483020, 1565410, 1878492, 2012670, 2348115, 2561580, 2817738, 3130820, 4025340, 4696230, 5635476, 7044345, 9392460, 14088690, 28177380]

約数ペア:

[(1, 28177380), (2, 14088690), (3, 9392460), (4, 7044345), (5, 5635476), (6, 4696230), (7, 4025340), (9, 3130820), (10, 2817738), (11, 2561580), (12, 2348115), (14, 2012670), (15, 1878492), (18, 1565410), (19, 1483020), (20, 1408869), (21, 1341780), (22, 1280790), (28, 1006335), (30, 939246), (33, 853860), (35, 805068), (36, 782705), (38, 741510), (42, 670890), (44, 640395), (45, 626164), (55, 512316), (57, 494340), (60, 469623), (63, 447260), (66, 426930), (70, 402534), (76, 370755), (77, 365940), (84, 335445), (90, 313082), (95, 296604), (99, 284620), (105, 268356), (107, 263340), (110, 256158), (114, 247170), (126, 223630), (132, 213465), (133, 211860), (140, 201267), (154, 182970), (165, 170772), (171, 164780), (180, 156541), (190, 148302), (198, 142310), (209, 134820), (210, 134178), (214, 131670), (220, 128079), (228, 123585), (231, 121980), (252, 111815), (266, 105930), (285, 98868), (308, 91485), (315, 89452), (321, 87780), (330, 85386), (342, 82390), (380, 74151), (385, 73188), (396, 71155), (399, 70620), (418, 67410), (420, 67089), (428, 65835), (462, 60990), (495, 56924), (532, 52965), (535, 52668), (570, 49434), (627, 44940), (630, 44726), (642, 43890), (660, 42693), (665, 42372), (684, 41195), (693, 40660), (749, 37620), (770, 36594), (798, 35310), (836, 33705), (855, 32956), (924, 30495), (963, 29260), (990, 28462), (1045, 26964), (1070, 26334), (1140, 24717), (1155, 24396), (1177, 23940), (1197, 23540), (1254, 22470), (1260, 22363), (1284, 21945), (1330, 21186), (1386, 20330), (1463, 19260), (1498, 18810), (1540, 18297), (1596, 17655), (1605, 17556), (1710, 16478), (1881, 14980), (1926, 14630), (1980, 14231), (1995, 14124), (2033, 13860), (2090, 13482), (2140, 13167), (2247, 12540), (2310, 12198), (2354, 11970), (2394, 11770), (2508, 11235), (2660, 10593), (2772, 10165), (2926, 9630), (2996, 9405), (3135, 8988), (3210, 8778), (3420, 8239), (3465, 8132), (3531, 7980), (3745, 7524), (3762, 7490), (3852, 7315), (3990, 7062), (4066, 6930), (4180, 6741), (4389, 6420), (4494, 6270), (4620, 6099), (4708, 5985), (4788, 5885), (4815, 5852)]