81826920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1752

約数の個数: 192

約数和(自身を含む): 320112000

約数和(自身を除く): 238285080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1709, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3418, 3420, 3990, 4788, 5127, 5320, 5985, 6836, 6840, 7980, 8545, 9576, 10254, 11963, 11970, 13672, 15381, 15960, 17090, 20508, 23926, 23940, 25635, 30762, 32471, 34180, 35889, 41016, 47852, 47880, 51270, 59815, 61524, 64942, 68360, 71778, 76905, 95704, 97413, 102540, 107667, 119630, 123048, 129884, 143556, 153810, 162355, 179445, 194826, 205080, 215334, 227297, 239260, 259768, 287112, 292239, 307620, 324710, 358890, 389652, 430668, 454594, 478520, 487065, 538335, 584478, 615240, 649420, 681891, 717780, 779304, 861336, 909188, 974130, 1076670, 1136485, 1168956, 1298840, 1363782, 1435560, 1461195, 1818376, 1948260, 2045673, 2153340, 2272970, 2337912, 2727564, 2922390, 3409455, 3896520, 4091346, 4306680, 4545940, 5455128, 5844780, 6818910, 8182692, 9091880, 10228365, 11689560, 13637820, 16365384, 20456730, 27275640, 40913460, 81826920]

約数ペア:

[(1, 81826920), (2, 40913460), (3, 27275640), (4, 20456730), (5, 16365384), (6, 13637820), (7, 11689560), (8, 10228365), (9, 9091880), (10, 8182692), (12, 6818910), (14, 5844780), (15, 5455128), (18, 4545940), (19, 4306680), (20, 4091346), (21, 3896520), (24, 3409455), (28, 2922390), (30, 2727564), (35, 2337912), (36, 2272970), (38, 2153340), (40, 2045673), (42, 1948260), (45, 1818376), (56, 1461195), (57, 1435560), (60, 1363782), (63, 1298840), (70, 1168956), (72, 1136485), (76, 1076670), (84, 974130), (90, 909188), (95, 861336), (105, 779304), (114, 717780), (120, 681891), (126, 649420), (133, 615240), (140, 584478), (152, 538335), (168, 487065), (171, 478520), (180, 454594), (190, 430668), (210, 389652), (228, 358890), (252, 324710), (266, 307620), (280, 292239), (285, 287112), (315, 259768), (342, 239260), (360, 227297), (380, 215334), (399, 205080), (420, 194826), (456, 179445), (504, 162355), (532, 153810), (570, 143556), (630, 129884), (665, 123048), (684, 119630), (760, 107667), (798, 102540), (840, 97413), (855, 95704), (1064, 76905), (1140, 71778), (1197, 68360), (1260, 64942), (1330, 61524), (1368, 59815), (1596, 51270), (1709, 47880), (1710, 47852), (1995, 41016), (2280, 35889), (2394, 34180), (2520, 32471), (2660, 30762), (3192, 25635), (3418, 23940), (3420, 23926), (3990, 20508), (4788, 17090), (5127, 15960), (5320, 15381), (5985, 13672), (6836, 11970), (6840, 11963), (7980, 10254), (8545, 9576)]