131851980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 452738832

約数和(自身を除く): 320886852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 67, 78, 87, 90, 116, 117, 130, 134, 145, 156, 174, 180, 195, 201, 234, 260, 261, 268, 290, 335, 348, 377, 390, 402, 435, 468, 522, 580, 585, 603, 670, 754, 780, 804, 841, 870, 871, 1005, 1044, 1131, 1170, 1206, 1305, 1340, 1508, 1682, 1740, 1742, 1885, 1943, 2010, 2262, 2340, 2412, 2523, 2610, 2613, 3015, 3364, 3393, 3484, 3770, 3886, 4020, 4205, 4355, 4524, 5046, 5220, 5226, 5655, 5829, 6030, 6786, 7540, 7569, 7772, 7839, 8410, 8710, 9715, 10092, 10452, 10933, 11310, 11658, 12060, 12615, 13065, 13572, 15138, 15678, 16820, 16965, 17420, 17487, 19430, 21866, 22620, 23316, 25230, 25259, 26130, 29145, 30276, 31356, 32799, 33930, 34974, 37845, 38860, 39195, 43732, 50460, 50518, 52260, 54665, 56347, 58290, 65598, 67860, 69948, 75690, 75777, 78390, 87435, 98397, 101036, 109330, 112694, 116580, 126295, 131196, 151380, 151554, 156780, 163995, 169041, 174870, 196794, 218660, 225388, 227331, 252590, 281735, 303108, 327990, 338082, 349740, 378885, 393588, 454662, 491985, 505180, 507123, 563470, 655980, 676164, 732511, 757770, 845205, 909324, 983970, 1014246, 1126940, 1136655, 1465022, 1515540, 1690410, 1967940, 2028492, 2197533, 2273310, 2535615, 2930044, 3380820, 3662555, 4395066, 4546620, 5071230, 6592599, 7325110, 8790132, 10142460, 10987665, 13185198, 14650220, 21975330, 26370396, 32962995, 43950660, 65925990, 131851980]

約数ペア:

[(1, 131851980), (2, 65925990), (3, 43950660), (4, 32962995), (5, 26370396), (6, 21975330), (9, 14650220), (10, 13185198), (12, 10987665), (13, 10142460), (15, 8790132), (18, 7325110), (20, 6592599), (26, 5071230), (29, 4546620), (30, 4395066), (36, 3662555), (39, 3380820), (45, 2930044), (52, 2535615), (58, 2273310), (60, 2197533), (65, 2028492), (67, 1967940), (78, 1690410), (87, 1515540), (90, 1465022), (116, 1136655), (117, 1126940), (130, 1014246), (134, 983970), (145, 909324), (156, 845205), (174, 757770), (180, 732511), (195, 676164), (201, 655980), (234, 563470), (260, 507123), (261, 505180), (268, 491985), (290, 454662), (335, 393588), (348, 378885), (377, 349740), (390, 338082), (402, 327990), (435, 303108), (468, 281735), (522, 252590), (580, 227331), (585, 225388), (603, 218660), (670, 196794), (754, 174870), (780, 169041), (804, 163995), (841, 156780), (870, 151554), (871, 151380), (1005, 131196), (1044, 126295), (1131, 116580), (1170, 112694), (1206, 109330), (1305, 101036), (1340, 98397), (1508, 87435), (1682, 78390), (1740, 75777), (1742, 75690), (1885, 69948), (1943, 67860), (2010, 65598), (2262, 58290), (2340, 56347), (2412, 54665), (2523, 52260), (2610, 50518), (2613, 50460), (3015, 43732), (3364, 39195), (3393, 38860), (3484, 37845), (3770, 34974), (3886, 33930), (4020, 32799), (4205, 31356), (4355, 30276), (4524, 29145), (5046, 26130), (5220, 25259), (5226, 25230), (5655, 23316), (5829, 22620), (6030, 21866), (6786, 19430), (7540, 17487), (7569, 17420), (7772, 16965), (7839, 16820), (8410, 15678), (8710, 15138), (9715, 13572), (10092, 13065), (10452, 12615), (10933, 12060), (11310, 11658)]