128651280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 425865600

約数和(自身を除く): 297214320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 89, 95, 114, 120, 152, 178, 190, 228, 240, 267, 285, 304, 317, 356, 380, 445, 456, 534, 570, 634, 712, 760, 890, 912, 951, 1068, 1140, 1268, 1335, 1424, 1520, 1585, 1691, 1780, 1902, 2136, 2280, 2536, 2670, 3170, 3382, 3560, 3804, 4272, 4560, 4755, 5072, 5073, 5340, 6023, 6340, 6764, 7120, 7608, 8455, 9510, 10146, 10680, 12046, 12680, 13528, 15216, 16910, 18069, 19020, 20292, 21360, 24092, 25360, 25365, 27056, 28213, 30115, 33820, 36138, 38040, 40584, 48184, 50730, 56426, 60230, 67640, 72276, 76080, 81168, 84639, 90345, 96368, 101460, 112852, 120460, 135280, 141065, 144552, 169278, 180690, 202920, 225704, 240920, 282130, 289104, 338556, 361380, 405840, 423195, 451408, 481840, 536047, 564260, 677112, 722760, 846390, 1072094, 1128520, 1354224, 1445520, 1608141, 1692780, 2144188, 2257040, 2680235, 3216282, 3385560, 4288376, 5360470, 6432564, 6771120, 8040705, 8576752, 10720940, 12865128, 16081410, 21441880, 25730256, 32162820, 42883760, 64325640, 128651280]

約数ペア:

[(1, 128651280), (2, 64325640), (3, 42883760), (4, 32162820), (5, 25730256), (6, 21441880), (8, 16081410), (10, 12865128), (12, 10720940), (15, 8576752), (16, 8040705), (19, 6771120), (20, 6432564), (24, 5360470), (30, 4288376), (38, 3385560), (40, 3216282), (48, 2680235), (57, 2257040), (60, 2144188), (76, 1692780), (80, 1608141), (89, 1445520), (95, 1354224), (114, 1128520), (120, 1072094), (152, 846390), (178, 722760), (190, 677112), (228, 564260), (240, 536047), (267, 481840), (285, 451408), (304, 423195), (317, 405840), (356, 361380), (380, 338556), (445, 289104), (456, 282130), (534, 240920), (570, 225704), (634, 202920), (712, 180690), (760, 169278), (890, 144552), (912, 141065), (951, 135280), (1068, 120460), (1140, 112852), (1268, 101460), (1335, 96368), (1424, 90345), (1520, 84639), (1585, 81168), (1691, 76080), (1780, 72276), (1902, 67640), (2136, 60230), (2280, 56426), (2536, 50730), (2670, 48184), (3170, 40584), (3382, 38040), (3560, 36138), (3804, 33820), (4272, 30115), (4560, 28213), (4755, 27056), (5072, 25365), (5073, 25360), (5340, 24092), (6023, 21360), (6340, 20292), (6764, 19020), (7120, 18069), (7608, 16910), (8455, 15216), (9510, 13528), (10146, 12680), (10680, 12046)]