285440220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:661

約数の個数: 192

約数和(自身を含む): 971187840

約数和(自身を除く): 685747620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 73, 78, 90, 108, 117, 130, 135, 146, 156, 180, 195, 219, 234, 260, 270, 292, 351, 365, 390, 438, 468, 540, 557, 585, 657, 702, 730, 780, 876, 949, 1095, 1114, 1170, 1314, 1404, 1460, 1671, 1755, 1898, 1971, 2190, 2228, 2340, 2628, 2785, 2847, 3285, 3342, 3510, 3796, 3942, 4380, 4745, 5013, 5570, 5694, 6570, 6684, 7020, 7241, 7884, 8355, 8541, 9490, 9855, 10026, 11140, 11388, 13140, 14235, 14482, 15039, 16710, 17082, 18980, 19710, 20052, 21723, 25065, 25623, 28470, 28964, 30078, 33420, 34164, 36205, 39420, 40661, 42705, 43446, 50130, 51246, 56940, 60156, 65169, 72410, 75195, 81322, 85410, 86892, 100260, 102492, 108615, 121983, 128115, 130338, 144820, 150390, 162644, 170820, 195507, 203305, 217230, 243966, 256230, 260676, 300780, 325845, 365949, 391014, 406610, 434460, 487932, 512460, 528593, 609915, 651690, 731898, 782028, 813220, 977535, 1057186, 1097847, 1219830, 1303380, 1463796, 1585779, 1829745, 1955070, 2114372, 2195694, 2439660, 2642965, 3171558, 3659490, 3910140, 4391388, 4757337, 5285930, 5489235, 6343116, 7318980, 7928895, 9514674, 10571860, 10978470, 14272011, 15857790, 19029348, 21956940, 23786685, 28544022, 31715580, 47573370, 57088044, 71360055, 95146740, 142720110, 285440220]

約数ペア:

[(1, 285440220), (2, 142720110), (3, 95146740), (4, 71360055), (5, 57088044), (6, 47573370), (9, 31715580), (10, 28544022), (12, 23786685), (13, 21956940), (15, 19029348), (18, 15857790), (20, 14272011), (26, 10978470), (27, 10571860), (30, 9514674), (36, 7928895), (39, 7318980), (45, 6343116), (52, 5489235), (54, 5285930), (60, 4757337), (65, 4391388), (73, 3910140), (78, 3659490), (90, 3171558), (108, 2642965), (117, 2439660), (130, 2195694), (135, 2114372), (146, 1955070), (156, 1829745), (180, 1585779), (195, 1463796), (219, 1303380), (234, 1219830), (260, 1097847), (270, 1057186), (292, 977535), (351, 813220), (365, 782028), (390, 731898), (438, 651690), (468, 609915), (540, 528593), (557, 512460), (585, 487932), (657, 434460), (702, 406610), (730, 391014), (780, 365949), (876, 325845), (949, 300780), (1095, 260676), (1114, 256230), (1170, 243966), (1314, 217230), (1404, 203305), (1460, 195507), (1671, 170820), (1755, 162644), (1898, 150390), (1971, 144820), (2190, 130338), (2228, 128115), (2340, 121983), (2628, 108615), (2785, 102492), (2847, 100260), (3285, 86892), (3342, 85410), (3510, 81322), (3796, 75195), (3942, 72410), (4380, 65169), (4745, 60156), (5013, 56940), (5570, 51246), (5694, 50130), (6570, 43446), (6684, 42705), (7020, 40661), (7241, 39420), (7884, 36205), (8355, 34164), (8541, 33420), (9490, 30078), (9855, 28964), (10026, 28470), (11140, 25623), (11388, 25065), (13140, 21723), (14235, 20052), (14482, 19710), (15039, 18980), (16710, 17082)]