218534940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1620

約数の個数: 144

約数和(自身を含む): 726057696

約数和(自身を除く): 507522756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 732, 780, 793, 915, 1098, 1170, 1220, 1531, 1586, 1830, 2196, 2340, 2379, 2745, 3062, 3172, 3660, 3965, 4593, 4758, 5490, 6124, 7137, 7655, 7930, 9186, 9516, 10980, 11895, 13779, 14274, 15310, 15860, 18372, 19903, 22965, 23790, 27558, 28548, 30620, 35685, 39806, 45930, 47580, 55116, 59709, 68895, 71370, 79612, 91860, 93391, 99515, 119418, 137790, 142740, 179127, 186782, 199030, 238836, 275580, 280173, 298545, 358254, 373564, 398060, 466955, 560346, 597090, 716508, 840519, 895635, 933910, 1120692, 1194180, 1214083, 1400865, 1681038, 1791270, 1867820, 2428166, 2801730, 3362076, 3582540, 3642249, 4202595, 4856332, 5603460, 6070415, 7284498, 8405190, 10926747, 12140830, 14568996, 16810380, 18211245, 21853494, 24281660, 36422490, 43706988, 54633735, 72844980, 109267470, 218534940]

約数ペア:

[(1, 218534940), (2, 109267470), (3, 72844980), (4, 54633735), (5, 43706988), (6, 36422490), (9, 24281660), (10, 21853494), (12, 18211245), (13, 16810380), (15, 14568996), (18, 12140830), (20, 10926747), (26, 8405190), (30, 7284498), (36, 6070415), (39, 5603460), (45, 4856332), (52, 4202595), (60, 3642249), (61, 3582540), (65, 3362076), (78, 2801730), (90, 2428166), (117, 1867820), (122, 1791270), (130, 1681038), (156, 1400865), (180, 1214083), (183, 1194180), (195, 1120692), (234, 933910), (244, 895635), (260, 840519), (305, 716508), (366, 597090), (390, 560346), (468, 466955), (549, 398060), (585, 373564), (610, 358254), (732, 298545), (780, 280173), (793, 275580), (915, 238836), (1098, 199030), (1170, 186782), (1220, 179127), (1531, 142740), (1586, 137790), (1830, 119418), (2196, 99515), (2340, 93391), (2379, 91860), (2745, 79612), (3062, 71370), (3172, 68895), (3660, 59709), (3965, 55116), (4593, 47580), (4758, 45930), (5490, 39806), (6124, 35685), (7137, 30620), (7655, 28548), (7930, 27558), (9186, 23790), (9516, 22965), (10980, 19903), (11895, 18372), (13779, 15860), (14274, 15310)]