153813940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 398974464

約数和(自身を除く): 245160524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 61, 62, 70, 83, 98, 122, 124, 140, 155, 166, 196, 217, 244, 245, 305, 310, 332, 415, 427, 434, 490, 581, 610, 620, 830, 854, 868, 980, 1085, 1162, 1220, 1519, 1660, 1708, 1891, 2135, 2170, 2324, 2573, 2905, 2989, 3038, 3782, 4067, 4270, 4340, 5063, 5146, 5810, 5978, 6076, 7564, 7595, 8134, 8540, 9455, 10126, 10292, 11620, 11956, 12865, 13237, 14945, 15190, 16268, 18011, 18910, 20252, 20335, 25315, 25730, 26474, 29890, 30380, 35441, 36022, 37820, 40670, 50630, 51460, 52948, 59780, 66185, 70882, 72044, 81340, 90055, 92659, 101260, 126077, 132370, 141764, 156953, 177205, 180110, 185318, 248087, 252154, 264740, 313906, 354410, 360220, 370636, 463295, 496174, 504308, 627812, 630385, 708820, 784765, 926590, 992348, 1098671, 1240435, 1260770, 1569530, 1853180, 2197342, 2480870, 2521540, 3139060, 4394684, 4961740, 5493355, 7690697, 10986710, 15381394, 21973420, 30762788, 38453485, 76906970, 153813940]

約数ペア:

[(1, 153813940), (2, 76906970), (4, 38453485), (5, 30762788), (7, 21973420), (10, 15381394), (14, 10986710), (20, 7690697), (28, 5493355), (31, 4961740), (35, 4394684), (49, 3139060), (61, 2521540), (62, 2480870), (70, 2197342), (83, 1853180), (98, 1569530), (122, 1260770), (124, 1240435), (140, 1098671), (155, 992348), (166, 926590), (196, 784765), (217, 708820), (244, 630385), (245, 627812), (305, 504308), (310, 496174), (332, 463295), (415, 370636), (427, 360220), (434, 354410), (490, 313906), (581, 264740), (610, 252154), (620, 248087), (830, 185318), (854, 180110), (868, 177205), (980, 156953), (1085, 141764), (1162, 132370), (1220, 126077), (1519, 101260), (1660, 92659), (1708, 90055), (1891, 81340), (2135, 72044), (2170, 70882), (2324, 66185), (2573, 59780), (2905, 52948), (2989, 51460), (3038, 50630), (3782, 40670), (4067, 37820), (4270, 36022), (4340, 35441), (5063, 30380), (5146, 29890), (5810, 26474), (5978, 25730), (6076, 25315), (7564, 20335), (7595, 20252), (8134, 18910), (8540, 18011), (9455, 16268), (10126, 15190), (10292, 14945), (11620, 13237), (11956, 12865)]