247564680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9915

約数の個数: 128

約数和(自身を含む): 852940800

約数和(自身を除く): 605376120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 9871, 12540, 19742, 25080, 29613, 39484, 49355, 59226, 78968, 98710, 108581, 118452, 148065, 187549, 197420, 217162, 236904, 296130, 325743, 375098, 394840, 434324, 542905, 562647, 592260, 651486, 750196, 868648, 937745, 1085810, 1125294, 1184520, 1302972, 1500392, 1628715, 1875490, 2063039, 2171620, 2250588, 2605944, 2813235, 3257430, 3750980, 4126078, 4343240, 4501176, 5626470, 6189117, 6514860, 7501960, 8252156, 10315195, 11252940, 12378234, 13029720, 16504312, 20630390, 22505880, 24756468, 30945585, 41260780, 49512936, 61891170, 82521560, 123782340, 247564680]

約数ペア:

[(1, 247564680), (2, 123782340), (3, 82521560), (4, 61891170), (5, 49512936), (6, 41260780), (8, 30945585), (10, 24756468), (11, 22505880), (12, 20630390), (15, 16504312), (19, 13029720), (20, 12378234), (22, 11252940), (24, 10315195), (30, 8252156), (33, 7501960), (38, 6514860), (40, 6189117), (44, 5626470), (55, 4501176), (57, 4343240), (60, 4126078), (66, 3750980), (76, 3257430), (88, 2813235), (95, 2605944), (110, 2250588), (114, 2171620), (120, 2063039), (132, 1875490), (152, 1628715), (165, 1500392), (190, 1302972), (209, 1184520), (220, 1125294), (228, 1085810), (264, 937745), (285, 868648), (330, 750196), (380, 651486), (418, 592260), (440, 562647), (456, 542905), (570, 434324), (627, 394840), (660, 375098), (760, 325743), (836, 296130), (1045, 236904), (1140, 217162), (1254, 197420), (1320, 187549), (1672, 148065), (2090, 118452), (2280, 108581), (2508, 98710), (3135, 78968), (4180, 59226), (5016, 49355), (6270, 39484), (8360, 29613), (9871, 25080), (12540, 19742)]