1280789160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{37189}}^1$

素因数の和:37251

約数の個数: 128

約数和(自身を含む): 4498502400

約数和(自身を除く): 3217713240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 4305, 4920, 5740, 6888, 8610, 11480, 17220, 34440, 37189, 74378, 111567, 148756, 185945, 223134, 260323, 297512, 371890, 446268, 520646, 557835, 743780, 780969, 892536, 1041292, 1115670, 1301615, 1487560, 1524749, 1561938, 2082584, 2231340, 2603230, 3049498, 3123876, 3904845, 4462680, 4574247, 5206460, 6098996, 6247752, 7623745, 7809690, 9148494, 10412920, 10673243, 12197992, 15247490, 15619380, 18296988, 21346486, 22871235, 30494980, 31238760, 32019729, 36593976, 42692972, 45742470, 53366215, 60989960, 64039458, 85385944, 91484940, 106732430, 128078916, 160098645, 182969880, 213464860, 256157832, 320197290, 426929720, 640394580, 1280789160]

約数ペア:

[(1, 1280789160), (2, 640394580), (3, 426929720), (4, 320197290), (5, 256157832), (6, 213464860), (7, 182969880), (8, 160098645), (10, 128078916), (12, 106732430), (14, 91484940), (15, 85385944), (20, 64039458), (21, 60989960), (24, 53366215), (28, 45742470), (30, 42692972), (35, 36593976), (40, 32019729), (41, 31238760), (42, 30494980), (56, 22871235), (60, 21346486), (70, 18296988), (82, 15619380), (84, 15247490), (105, 12197992), (120, 10673243), (123, 10412920), (140, 9148494), (164, 7809690), (168, 7623745), (205, 6247752), (210, 6098996), (246, 5206460), (280, 4574247), (287, 4462680), (328, 3904845), (410, 3123876), (420, 3049498), (492, 2603230), (574, 2231340), (615, 2082584), (820, 1561938), (840, 1524749), (861, 1487560), (984, 1301615), (1148, 1115670), (1230, 1041292), (1435, 892536), (1640, 780969), (1722, 743780), (2296, 557835), (2460, 520646), (2870, 446268), (3444, 371890), (4305, 297512), (4920, 260323), (5740, 223134), (6888, 185945), (8610, 148756), (11480, 111567), (17220, 74378), (34440, 37189)]