221524380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1453}}^1$

素因数の和:1497

約数の個数: 216

約数和(自身を含む): 844692576

約数和(自身を除く): 623168196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1155, 1210, 1260, 1386, 1452, 1453, 1540, 1694, 1815, 1980, 2178, 2310, 2420, 2541, 2772, 2906, 3388, 3465, 3630, 4235, 4356, 4359, 4620, 5082, 5445, 5812, 6930, 7260, 7265, 7623, 8470, 8718, 10164, 10171, 10890, 12705, 13077, 13860, 14530, 15246, 15983, 16940, 17436, 20342, 21780, 21795, 25410, 26154, 29060, 30492, 30513, 31966, 38115, 40684, 43590, 47949, 50820, 50855, 52308, 61026, 63932, 65385, 76230, 79915, 87180, 91539, 95898, 101710, 111881, 122052, 130770, 143847, 152460, 152565, 159830, 175813, 183078, 191796, 203420, 223762, 239745, 261540, 287694, 305130, 319660, 335643, 351626, 366156, 447524, 457695, 479490, 527439, 559405, 575388, 610260, 671286, 703252, 719235, 879065, 915390, 958980, 1006929, 1054878, 1118810, 1230691, 1342572, 1438470, 1582317, 1678215, 1758130, 1830780, 2013858, 2109756, 2237620, 2461382, 2637195, 2876940, 3164634, 3356430, 3516260, 3692073, 4027716, 4922764, 5034645, 5274390, 6153455, 6329268, 6712860, 7384146, 7911585, 10069290, 10548780, 11076219, 12306910, 14768292, 15823170, 18460365, 20138580, 22152438, 24613820, 31646340, 36920730, 44304876, 55381095, 73841460, 110762190, 221524380]

約数ペア:

[(1, 221524380), (2, 110762190), (3, 73841460), (4, 55381095), (5, 44304876), (6, 36920730), (7, 31646340), (9, 24613820), (10, 22152438), (11, 20138580), (12, 18460365), (14, 15823170), (15, 14768292), (18, 12306910), (20, 11076219), (21, 10548780), (22, 10069290), (28, 7911585), (30, 7384146), (33, 6712860), (35, 6329268), (36, 6153455), (42, 5274390), (44, 5034645), (45, 4922764), (55, 4027716), (60, 3692073), (63, 3516260), (66, 3356430), (70, 3164634), (77, 2876940), (84, 2637195), (90, 2461382), (99, 2237620), (105, 2109756), (110, 2013858), (121, 1830780), (126, 1758130), (132, 1678215), (140, 1582317), (154, 1438470), (165, 1342572), (180, 1230691), (198, 1118810), (210, 1054878), (220, 1006929), (231, 958980), (242, 915390), (252, 879065), (308, 719235), (315, 703252), (330, 671286), (363, 610260), (385, 575388), (396, 559405), (420, 527439), (462, 479490), (484, 457695), (495, 447524), (605, 366156), (630, 351626), (660, 335643), (693, 319660), (726, 305130), (770, 287694), (847, 261540), (924, 239745), (990, 223762), (1089, 203420), (1155, 191796), (1210, 183078), (1260, 175813), (1386, 159830), (1452, 152565), (1453, 152460), (1540, 143847), (1694, 130770), (1815, 122052), (1980, 111881), (2178, 101710), (2310, 95898), (2420, 91539), (2541, 87180), (2772, 79915), (2906, 76230), (3388, 65385), (3465, 63932), (3630, 61026), (4235, 52308), (4356, 50855), (4359, 50820), (4620, 47949), (5082, 43590), (5445, 40684), (5812, 38115), (6930, 31966), (7260, 30513), (7265, 30492), (7623, 29060), (8470, 26154), (8718, 25410), (10164, 21795), (10171, 21780), (10890, 20342), (12705, 17436), (13077, 16940), (13860, 15983), (14530, 15246)]