7271464160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 216

約数和(自身を含む): 18877303368

約数和(自身を除く): 11605839208

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 131, 152, 155, 160, 190, 248, 262, 304, 310, 361, 380, 496, 524, 589, 608, 620, 655, 722, 760, 961, 992, 1048, 1178, 1240, 1310, 1444, 1520, 1805, 1922, 2096, 2356, 2480, 2489, 2620, 2888, 2945, 3040, 3610, 3844, 4061, 4192, 4712, 4805, 4960, 4978, 5240, 5776, 5890, 7220, 7688, 8122, 9424, 9610, 9956, 10480, 11191, 11552, 11780, 12445, 14440, 15376, 16244, 18259, 18848, 19220, 19912, 20305, 20960, 22382, 23560, 24890, 28880, 30752, 32488, 36518, 38440, 39824, 40610, 44764, 47120, 47291, 49780, 55955, 57760, 64976, 73036, 76880, 77159, 79648, 81220, 89528, 91295, 94240, 94582, 99560, 111910, 125891, 129952, 146072, 153760, 154318, 162440, 179056, 182590, 189164, 199120, 223820, 236455, 251782, 292144, 308636, 324880, 346921, 358112, 365180, 378328, 385795, 398240, 447640, 472910, 503564, 584288, 617272, 629455, 649760, 693842, 730360, 756656, 771590, 895280, 945820, 1007128, 1234544, 1258910, 1387684, 1460720, 1466021, 1513312, 1543180, 1734605, 1790560, 1891640, 2014256, 2391929, 2469088, 2517820, 2775368, 2921440, 2932042, 3086360, 3469210, 3783280, 4028512, 4783858, 5035640, 5550736, 5864084, 6172720, 6938420, 7330105, 7566560, 9567716, 10071280, 11101472, 11728168, 11959645, 12345440, 13876840, 14660210, 19135432, 20142560, 23456336, 23919290, 27753680, 29320420, 38270864, 45446651, 46912672, 47838580, 55507360, 58640840, 76541728, 90893302, 95677160, 117281680, 181786604, 191354320, 227233255, 234563360, 363573208, 382708640, 454466510, 727146416, 908933020, 1454292832, 1817866040, 3635732080, 7271464160]

約数ペア:

[(1, 7271464160), (2, 3635732080), (4, 1817866040), (5, 1454292832), (8, 908933020), (10, 727146416), (16, 454466510), (19, 382708640), (20, 363573208), (31, 234563360), (32, 227233255), (38, 191354320), (40, 181786604), (62, 117281680), (76, 95677160), (80, 90893302), (95, 76541728), (124, 58640840), (131, 55507360), (152, 47838580), (155, 46912672), (160, 45446651), (190, 38270864), (248, 29320420), (262, 27753680), (304, 23919290), (310, 23456336), (361, 20142560), (380, 19135432), (496, 14660210), (524, 13876840), (589, 12345440), (608, 11959645), (620, 11728168), (655, 11101472), (722, 10071280), (760, 9567716), (961, 7566560), (992, 7330105), (1048, 6938420), (1178, 6172720), (1240, 5864084), (1310, 5550736), (1444, 5035640), (1520, 4783858), (1805, 4028512), (1922, 3783280), (2096, 3469210), (2356, 3086360), (2480, 2932042), (2489, 2921440), (2620, 2775368), (2888, 2517820), (2945, 2469088), (3040, 2391929), (3610, 2014256), (3844, 1891640), (4061, 1790560), (4192, 1734605), (4712, 1543180), (4805, 1513312), (4960, 1466021), (4978, 1460720), (5240, 1387684), (5776, 1258910), (5890, 1234544), (7220, 1007128), (7688, 945820), (8122, 895280), (9424, 771590), (9610, 756656), (9956, 730360), (10480, 693842), (11191, 649760), (11552, 629455), (11780, 617272), (12445, 584288), (14440, 503564), (15376, 472910), (16244, 447640), (18259, 398240), (18848, 385795), (19220, 378328), (19912, 365180), (20305, 358112), (20960, 346921), (22382, 324880), (23560, 308636), (24890, 292144), (28880, 251782), (30752, 236455), (32488, 223820), (36518, 199120), (38440, 189164), (39824, 182590), (40610, 179056), (44764, 162440), (47120, 154318), (47291, 153760), (49780, 146072), (55955, 129952), (57760, 125891), (64976, 111910), (73036, 99560), (76880, 94582), (77159, 94240), (79648, 91295), (81220, 89528)]