213156780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 609638400

約数和(自身を除く): 396481620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 179, 223, 267, 356, 358, 445, 446, 534, 537, 669, 716, 890, 892, 895, 1068, 1074, 1115, 1335, 1338, 1780, 1790, 2148, 2230, 2670, 2676, 2685, 3345, 3580, 4460, 5340, 5370, 6690, 10740, 13380, 15931, 19847, 31862, 39694, 39917, 47793, 59541, 63724, 79388, 79655, 79834, 95586, 99235, 119082, 119751, 159310, 159668, 191172, 198470, 199585, 238164, 238965, 239502, 297705, 318620, 396940, 399170, 477930, 479004, 595410, 598755, 798340, 955860, 1190820, 1197510, 2395020, 3552613, 7105226, 10657839, 14210452, 17763065, 21315678, 35526130, 42631356, 53289195, 71052260, 106578390, 213156780]

約数ペア:

[(1, 213156780), (2, 106578390), (3, 71052260), (4, 53289195), (5, 42631356), (6, 35526130), (10, 21315678), (12, 17763065), (15, 14210452), (20, 10657839), (30, 7105226), (60, 3552613), (89, 2395020), (178, 1197510), (179, 1190820), (223, 955860), (267, 798340), (356, 598755), (358, 595410), (445, 479004), (446, 477930), (534, 399170), (537, 396940), (669, 318620), (716, 297705), (890, 239502), (892, 238965), (895, 238164), (1068, 199585), (1074, 198470), (1115, 191172), (1335, 159668), (1338, 159310), (1780, 119751), (1790, 119082), (2148, 99235), (2230, 95586), (2670, 79834), (2676, 79655), (2685, 79388), (3345, 63724), (3580, 59541), (4460, 47793), (5340, 39917), (5370, 39694), (6690, 31862), (10740, 19847), (13380, 15931)]