251841960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4133

約数の個数: 160

約数和(自身を含む): 891237600

約数和(自身を除く): 639395640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4091, 4104, 5130, 6156, 6840, 7695, 8182, 10260, 12273, 12312, 15390, 16364, 20455, 20520, 24546, 30780, 32728, 36819, 40910, 49092, 61365, 61560, 73638, 77729, 81820, 98184, 110457, 122730, 147276, 155458, 163640, 184095, 220914, 233187, 245460, 294552, 310916, 331371, 368190, 388645, 441828, 466374, 490920, 552285, 621832, 662742, 699561, 736380, 777290, 883656, 932748, 1104570, 1165935, 1325484, 1399122, 1472760, 1554580, 1656855, 1865496, 2098683, 2209140, 2331870, 2650968, 2798244, 3109160, 3313710, 3497805, 4197366, 4418280, 4663740, 5596488, 6296049, 6627420, 6995610, 8394732, 9327480, 10493415, 12592098, 13254840, 13991220, 16789464, 20986830, 25184196, 27982440, 31480245, 41973660, 50368392, 62960490, 83947320, 125920980, 251841960]

約数ペア:

[(1, 251841960), (2, 125920980), (3, 83947320), (4, 62960490), (5, 50368392), (6, 41973660), (8, 31480245), (9, 27982440), (10, 25184196), (12, 20986830), (15, 16789464), (18, 13991220), (19, 13254840), (20, 12592098), (24, 10493415), (27, 9327480), (30, 8394732), (36, 6995610), (38, 6627420), (40, 6296049), (45, 5596488), (54, 4663740), (57, 4418280), (60, 4197366), (72, 3497805), (76, 3313710), (81, 3109160), (90, 2798244), (95, 2650968), (108, 2331870), (114, 2209140), (120, 2098683), (135, 1865496), (152, 1656855), (162, 1554580), (171, 1472760), (180, 1399122), (190, 1325484), (216, 1165935), (228, 1104570), (270, 932748), (285, 883656), (324, 777290), (342, 736380), (360, 699561), (380, 662742), (405, 621832), (456, 552285), (513, 490920), (540, 466374), (570, 441828), (648, 388645), (684, 368190), (760, 331371), (810, 310916), (855, 294552), (1026, 245460), (1080, 233187), (1140, 220914), (1368, 184095), (1539, 163640), (1620, 155458), (1710, 147276), (2052, 122730), (2280, 110457), (2565, 98184), (3078, 81820), (3240, 77729), (3420, 73638), (4091, 61560), (4104, 61365), (5130, 49092), (6156, 40910), (6840, 36819), (7695, 32728), (8182, 30780), (10260, 24546), (12273, 20520), (12312, 20455), (15390, 16364)]