123669390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:874

約数の個数: 128

約数和(自身を含む): 353590272

約数和(自身を除く): 229920882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 23, 26, 30, 34, 39, 46, 51, 65, 69, 78, 85, 102, 115, 130, 138, 170, 195, 221, 230, 255, 299, 345, 390, 391, 442, 510, 598, 663, 690, 782, 811, 897, 1105, 1173, 1326, 1495, 1622, 1794, 1955, 2210, 2346, 2433, 2990, 3315, 3910, 4055, 4485, 4866, 5083, 5865, 6630, 8110, 8970, 10166, 10543, 11730, 12165, 13787, 15249, 18653, 21086, 24330, 25415, 27574, 30498, 31629, 37306, 41361, 50830, 52715, 55959, 63258, 68935, 76245, 82722, 93265, 105430, 111918, 137870, 152490, 158145, 179231, 186530, 206805, 242489, 279795, 316290, 317101, 358462, 413610, 484978, 537693, 559590, 634202, 727467, 896155, 951303, 1075386, 1212445, 1454934, 1585505, 1792310, 1902606, 2424890, 2688465, 3171010, 3637335, 4122313, 4756515, 5376930, 7274670, 8244626, 9513030, 12366939, 20611565, 24733878, 41223130, 61834695, 123669390]

約数ペア:

[(1, 123669390), (2, 61834695), (3, 41223130), (5, 24733878), (6, 20611565), (10, 12366939), (13, 9513030), (15, 8244626), (17, 7274670), (23, 5376930), (26, 4756515), (30, 4122313), (34, 3637335), (39, 3171010), (46, 2688465), (51, 2424890), (65, 1902606), (69, 1792310), (78, 1585505), (85, 1454934), (102, 1212445), (115, 1075386), (130, 951303), (138, 896155), (170, 727467), (195, 634202), (221, 559590), (230, 537693), (255, 484978), (299, 413610), (345, 358462), (390, 317101), (391, 316290), (442, 279795), (510, 242489), (598, 206805), (663, 186530), (690, 179231), (782, 158145), (811, 152490), (897, 137870), (1105, 111918), (1173, 105430), (1326, 93265), (1495, 82722), (1622, 76245), (1794, 68935), (1955, 63258), (2210, 55959), (2346, 52715), (2433, 50830), (2990, 41361), (3315, 37306), (3910, 31629), (4055, 30498), (4485, 27574), (4866, 25415), (5083, 24330), (5865, 21086), (6630, 18653), (8110, 15249), (8970, 13787), (10166, 12165), (10543, 11730)]