78439920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 160

約数和(自身を含む): 270649344

約数和(自身を除く): 192209424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 811, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1622, 1860, 2015, 2418, 2433, 2480, 3120, 3224, 3244, 3720, 4030, 4055, 4836, 4866, 6045, 6448, 6488, 7440, 8060, 8110, 9672, 9732, 10543, 12090, 12165, 12976, 16120, 16220, 19344, 19464, 21086, 24180, 24330, 25141, 31629, 32240, 32440, 38928, 42172, 48360, 48660, 50282, 52715, 63258, 64880, 75423, 84344, 96720, 97320, 100564, 105430, 125705, 126516, 150846, 158145, 168688, 194640, 201128, 210860, 251410, 253032, 301692, 316290, 326833, 377115, 402256, 421720, 502820, 506064, 603384, 632580, 653666, 754230, 843440, 980499, 1005640, 1206768, 1265160, 1307332, 1508460, 1634165, 1960998, 2011280, 2530320, 2614664, 3016920, 3268330, 3921996, 4902495, 5229328, 6033840, 6536660, 7843992, 9804990, 13073320, 15687984, 19609980, 26146640, 39219960, 78439920]

約数ペア:

[(1, 78439920), (2, 39219960), (3, 26146640), (4, 19609980), (5, 15687984), (6, 13073320), (8, 9804990), (10, 7843992), (12, 6536660), (13, 6033840), (15, 5229328), (16, 4902495), (20, 3921996), (24, 3268330), (26, 3016920), (30, 2614664), (31, 2530320), (39, 2011280), (40, 1960998), (48, 1634165), (52, 1508460), (60, 1307332), (62, 1265160), (65, 1206768), (78, 1005640), (80, 980499), (93, 843440), (104, 754230), (120, 653666), (124, 632580), (130, 603384), (155, 506064), (156, 502820), (186, 421720), (195, 402256), (208, 377115), (240, 326833), (248, 316290), (260, 301692), (310, 253032), (312, 251410), (372, 210860), (390, 201128), (403, 194640), (465, 168688), (496, 158145), (520, 150846), (620, 126516), (624, 125705), (744, 105430), (780, 100564), (806, 97320), (811, 96720), (930, 84344), (1040, 75423), (1209, 64880), (1240, 63258), (1488, 52715), (1560, 50282), (1612, 48660), (1622, 48360), (1860, 42172), (2015, 38928), (2418, 32440), (2433, 32240), (2480, 31629), (3120, 25141), (3224, 24330), (3244, 24180), (3720, 21086), (4030, 19464), (4055, 19344), (4836, 16220), (4866, 16120), (6045, 12976), (6448, 12165), (6488, 12090), (7440, 10543), (8060, 9732), (8110, 9672)]