81356304780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{9109}}^1$

素因数の和:9241

約数の個数: 216

約数和(自身を含む): 259944375600

約数和(自身を除く): 178588070820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 87, 90, 116, 118, 145, 174, 177, 180, 236, 261, 290, 295, 348, 354, 435, 522, 531, 580, 590, 708, 841, 870, 885, 1044, 1062, 1180, 1305, 1682, 1711, 1740, 1770, 2124, 2523, 2610, 2655, 3364, 3422, 3540, 4205, 5046, 5133, 5220, 5310, 6844, 7569, 8410, 8555, 9109, 10092, 10266, 10620, 12615, 15138, 15399, 16820, 17110, 18218, 20532, 25230, 25665, 27327, 30276, 30798, 34220, 36436, 37845, 45545, 49619, 50460, 51330, 54654, 61596, 75690, 76995, 81981, 91090, 99238, 102660, 109308, 136635, 148857, 151380, 153990, 163962, 182180, 198476, 248095, 264161, 273270, 297714, 307980, 327924, 409905, 446571, 496190, 528322, 537431, 546540, 595428, 744285, 792483, 819810, 893142, 992380, 1056644, 1074862, 1320805, 1488570, 1584966, 1612293, 1639620, 1786284, 2149724, 2232855, 2377449, 2641610, 2687155, 2977140, 3169932, 3224586, 3962415, 4465710, 4754898, 4836879, 5283220, 5374310, 6449172, 7660669, 7924830, 8061465, 8931420, 9509796, 9673758, 10748620, 11887245, 15321338, 15585499, 15849660, 16122930, 19347516, 22982007, 23774490, 24184395, 30642676, 31170998, 32245860, 38303345, 45964014, 46756497, 47548980, 48368790, 62341996, 68946021, 76606690, 77927495, 91928028, 93512994, 96737580, 114910035, 137892042, 140269491, 153213380, 155854990, 187025988, 229820070, 233782485, 275784084, 280538982, 311709980, 344730105, 451979471, 459640140, 467564970, 561077964, 689460210, 701347455, 903958942, 935129940, 1355938413, 1378920420, 1402694910, 1807917884, 2259897355, 2711876826, 2805389820, 4067815239, 4519794710, 5423753652, 6779692065, 8135630478, 9039589420, 13559384130, 16271260956, 20339076195, 27118768260, 40678152390, 81356304780]

約数ペア:

[(1, 81356304780), (2, 40678152390), (3, 27118768260), (4, 20339076195), (5, 16271260956), (6, 13559384130), (9, 9039589420), (10, 8135630478), (12, 6779692065), (15, 5423753652), (18, 4519794710), (20, 4067815239), (29, 2805389820), (30, 2711876826), (36, 2259897355), (45, 1807917884), (58, 1402694910), (59, 1378920420), (60, 1355938413), (87, 935129940), (90, 903958942), (116, 701347455), (118, 689460210), (145, 561077964), (174, 467564970), (177, 459640140), (180, 451979471), (236, 344730105), (261, 311709980), (290, 280538982), (295, 275784084), (348, 233782485), (354, 229820070), (435, 187025988), (522, 155854990), (531, 153213380), (580, 140269491), (590, 137892042), (708, 114910035), (841, 96737580), (870, 93512994), (885, 91928028), (1044, 77927495), (1062, 76606690), (1180, 68946021), (1305, 62341996), (1682, 48368790), (1711, 47548980), (1740, 46756497), (1770, 45964014), (2124, 38303345), (2523, 32245860), (2610, 31170998), (2655, 30642676), (3364, 24184395), (3422, 23774490), (3540, 22982007), (4205, 19347516), (5046, 16122930), (5133, 15849660), (5220, 15585499), (5310, 15321338), (6844, 11887245), (7569, 10748620), (8410, 9673758), (8555, 9509796), (9109, 8931420), (10092, 8061465), (10266, 7924830), (10620, 7660669), (12615, 6449172), (15138, 5374310), (15399, 5283220), (16820, 4836879), (17110, 4754898), (18218, 4465710), (20532, 3962415), (25230, 3224586), (25665, 3169932), (27327, 2977140), (30276, 2687155), (30798, 2641610), (34220, 2377449), (36436, 2232855), (37845, 2149724), (45545, 1786284), (49619, 1639620), (50460, 1612293), (51330, 1584966), (54654, 1488570), (61596, 1320805), (75690, 1074862), (76995, 1056644), (81981, 992380), (91090, 893142), (99238, 819810), (102660, 792483), (109308, 744285), (136635, 595428), (148857, 546540), (151380, 537431), (153990, 528322), (163962, 496190), (182180, 446571), (198476, 409905), (248095, 327924), (264161, 307980), (273270, 297714)]