81224550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 144

約数和(自身を含む): 242863920

約数和(自身を除く): 161639370

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 61, 66, 75, 90, 99, 110, 122, 150, 165, 183, 198, 225, 269, 275, 305, 330, 366, 450, 495, 538, 549, 550, 610, 671, 807, 825, 915, 990, 1098, 1342, 1345, 1525, 1614, 1650, 1830, 2013, 2421, 2475, 2690, 2745, 2959, 3050, 3355, 4026, 4035, 4575, 4842, 4950, 5490, 5918, 6039, 6710, 6725, 8070, 8877, 9150, 10065, 12078, 12105, 13450, 13725, 14795, 16409, 16775, 17754, 20130, 20175, 24210, 26631, 27450, 29590, 30195, 32818, 33550, 40350, 44385, 49227, 50325, 53262, 60390, 60525, 73975, 82045, 88770, 98454, 100650, 121050, 133155, 147681, 147950, 150975, 164090, 180499, 221925, 246135, 266310, 295362, 301950, 360998, 410225, 443850, 492270, 541497, 665775, 738405, 820450, 902495, 1082994, 1230675, 1331550, 1476810, 1624491, 1804990, 2461350, 2707485, 3248982, 3692025, 4512475, 5414970, 7384050, 8122455, 9024950, 13537425, 16244910, 27074850, 40612275, 81224550]

約数ペア:

[(1, 81224550), (2, 40612275), (3, 27074850), (5, 16244910), (6, 13537425), (9, 9024950), (10, 8122455), (11, 7384050), (15, 5414970), (18, 4512475), (22, 3692025), (25, 3248982), (30, 2707485), (33, 2461350), (45, 1804990), (50, 1624491), (55, 1476810), (61, 1331550), (66, 1230675), (75, 1082994), (90, 902495), (99, 820450), (110, 738405), (122, 665775), (150, 541497), (165, 492270), (183, 443850), (198, 410225), (225, 360998), (269, 301950), (275, 295362), (305, 266310), (330, 246135), (366, 221925), (450, 180499), (495, 164090), (538, 150975), (549, 147950), (550, 147681), (610, 133155), (671, 121050), (807, 100650), (825, 98454), (915, 88770), (990, 82045), (1098, 73975), (1342, 60525), (1345, 60390), (1525, 53262), (1614, 50325), (1650, 49227), (1830, 44385), (2013, 40350), (2421, 33550), (2475, 32818), (2690, 30195), (2745, 29590), (2959, 27450), (3050, 26631), (3355, 24210), (4026, 20175), (4035, 20130), (4575, 17754), (4842, 16775), (4950, 16409), (5490, 14795), (5918, 13725), (6039, 13450), (6710, 12105), (6725, 12078), (8070, 10065), (8877, 9150)]