219655560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 675734400

約数和(自身を除く): 456078840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 131, 157, 178, 262, 267, 314, 356, 393, 445, 471, 524, 534, 628, 655, 712, 785, 786, 890, 942, 1048, 1068, 1256, 1310, 1335, 1570, 1572, 1780, 1884, 1965, 2136, 2355, 2620, 2670, 3140, 3144, 3560, 3768, 3930, 4710, 5240, 5340, 6280, 7860, 9420, 10680, 11659, 13973, 15720, 18840, 20567, 23318, 27946, 34977, 41134, 41919, 46636, 55892, 58295, 61701, 69865, 69954, 82268, 83838, 93272, 102835, 111784, 116590, 123402, 139730, 139908, 164536, 167676, 174885, 205670, 209595, 233180, 246804, 279460, 279816, 308505, 335352, 349770, 411340, 419190, 466360, 493608, 558920, 617010, 699540, 822680, 838380, 1234020, 1399080, 1676760, 1830463, 2468040, 3660926, 5491389, 7321852, 9152315, 10982778, 14643704, 18304630, 21965556, 27456945, 36609260, 43931112, 54913890, 73218520, 109827780, 219655560]

約数ペア:

[(1, 219655560), (2, 109827780), (3, 73218520), (4, 54913890), (5, 43931112), (6, 36609260), (8, 27456945), (10, 21965556), (12, 18304630), (15, 14643704), (20, 10982778), (24, 9152315), (30, 7321852), (40, 5491389), (60, 3660926), (89, 2468040), (120, 1830463), (131, 1676760), (157, 1399080), (178, 1234020), (262, 838380), (267, 822680), (314, 699540), (356, 617010), (393, 558920), (445, 493608), (471, 466360), (524, 419190), (534, 411340), (628, 349770), (655, 335352), (712, 308505), (785, 279816), (786, 279460), (890, 246804), (942, 233180), (1048, 209595), (1068, 205670), (1256, 174885), (1310, 167676), (1335, 164536), (1570, 139908), (1572, 139730), (1780, 123402), (1884, 116590), (1965, 111784), (2136, 102835), (2355, 93272), (2620, 83838), (2670, 82268), (3140, 69954), (3144, 69865), (3560, 61701), (3768, 58295), (3930, 55892), (4710, 46636), (5240, 41919), (5340, 41134), (6280, 34977), (7860, 27946), (9420, 23318), (10680, 20567), (11659, 18840), (13973, 15720)]