32780020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 90091008

約数和(自身を除く): 57310988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 83, 91, 98, 124, 130, 140, 155, 166, 182, 196, 217, 245, 260, 310, 332, 364, 403, 415, 434, 455, 490, 581, 620, 637, 806, 830, 868, 910, 980, 1079, 1085, 1162, 1274, 1519, 1612, 1660, 1820, 2015, 2158, 2170, 2324, 2548, 2573, 2821, 2905, 3038, 3185, 4030, 4067, 4316, 4340, 5146, 5395, 5642, 5810, 6076, 6370, 7553, 7595, 8060, 8134, 10292, 10790, 11284, 11620, 12740, 12865, 14105, 15106, 15190, 16268, 18011, 19747, 20335, 21580, 25730, 28210, 30212, 30380, 33449, 36022, 37765, 39494, 40670, 51460, 52871, 56420, 66898, 72044, 75530, 78988, 81340, 90055, 98735, 105742, 126077, 133796, 151060, 167245, 180110, 197470, 211484, 234143, 252154, 264355, 334490, 360220, 394940, 468286, 504308, 528710, 630385, 668980, 936572, 1057420, 1170715, 1260770, 1639001, 2341430, 2521540, 3278002, 4682860, 6556004, 8195005, 16390010, 32780020]

約数ペア:

[(1, 32780020), (2, 16390010), (4, 8195005), (5, 6556004), (7, 4682860), (10, 3278002), (13, 2521540), (14, 2341430), (20, 1639001), (26, 1260770), (28, 1170715), (31, 1057420), (35, 936572), (49, 668980), (52, 630385), (62, 528710), (65, 504308), (70, 468286), (83, 394940), (91, 360220), (98, 334490), (124, 264355), (130, 252154), (140, 234143), (155, 211484), (166, 197470), (182, 180110), (196, 167245), (217, 151060), (245, 133796), (260, 126077), (310, 105742), (332, 98735), (364, 90055), (403, 81340), (415, 78988), (434, 75530), (455, 72044), (490, 66898), (581, 56420), (620, 52871), (637, 51460), (806, 40670), (830, 39494), (868, 37765), (910, 36022), (980, 33449), (1079, 30380), (1085, 30212), (1162, 28210), (1274, 25730), (1519, 21580), (1612, 20335), (1660, 19747), (1820, 18011), (2015, 16268), (2158, 15190), (2170, 15106), (2324, 14105), (2548, 12865), (2573, 12740), (2821, 11620), (2905, 11284), (3038, 10790), (3185, 10292), (4030, 8134), (4067, 8060), (4316, 7595), (4340, 7553), (5146, 6370), (5395, 6076), (5642, 5810)]