218460840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1227

約数の個数: 128

約数和(自身を含む): 711849600

約数和(自身を除く): 493388760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 655, 780, 786, 1048, 1069, 1310, 1560, 1572, 1703, 1965, 2138, 2620, 3144, 3207, 3406, 3930, 4276, 5109, 5240, 5345, 6414, 6812, 7860, 8515, 8552, 10218, 10690, 12828, 13624, 13897, 15720, 16035, 17030, 20436, 21380, 25545, 25656, 27794, 32070, 34060, 40872, 41691, 42760, 51090, 55588, 64140, 68120, 69485, 83382, 102180, 111176, 128280, 138970, 140039, 166764, 204360, 208455, 277940, 280078, 333528, 416910, 420117, 555880, 560156, 700195, 833820, 840234, 1120312, 1400390, 1667640, 1680468, 1820507, 2100585, 2800780, 3360936, 3641014, 4201170, 5461521, 5601560, 7282028, 8402340, 9102535, 10923042, 14564056, 16804680, 18205070, 21846084, 27307605, 36410140, 43692168, 54615210, 72820280, 109230420, 218460840]

約数ペア:

[(1, 218460840), (2, 109230420), (3, 72820280), (4, 54615210), (5, 43692168), (6, 36410140), (8, 27307605), (10, 21846084), (12, 18205070), (13, 16804680), (15, 14564056), (20, 10923042), (24, 9102535), (26, 8402340), (30, 7282028), (39, 5601560), (40, 5461521), (52, 4201170), (60, 3641014), (65, 3360936), (78, 2800780), (104, 2100585), (120, 1820507), (130, 1680468), (131, 1667640), (156, 1400390), (195, 1120312), (260, 840234), (262, 833820), (312, 700195), (390, 560156), (393, 555880), (520, 420117), (524, 416910), (655, 333528), (780, 280078), (786, 277940), (1048, 208455), (1069, 204360), (1310, 166764), (1560, 140039), (1572, 138970), (1703, 128280), (1965, 111176), (2138, 102180), (2620, 83382), (3144, 69485), (3207, 68120), (3406, 64140), (3930, 55588), (4276, 51090), (5109, 42760), (5240, 41691), (5345, 40872), (6414, 34060), (6812, 32070), (7860, 27794), (8515, 25656), (8552, 25545), (10218, 21380), (10690, 20436), (12828, 17030), (13624, 16035), (13897, 15720)]