128248860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 393265152

約数和(自身を除く): 265016292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 191, 228, 285, 310, 361, 372, 380, 382, 465, 570, 573, 589, 620, 722, 764, 930, 955, 1083, 1140, 1146, 1178, 1444, 1767, 1805, 1860, 1910, 2166, 2292, 2356, 2865, 2945, 3534, 3610, 3629, 3820, 4332, 5415, 5730, 5890, 5921, 7068, 7220, 7258, 8835, 10830, 10887, 11191, 11460, 11780, 11842, 14516, 17670, 17763, 18145, 21660, 21774, 22382, 23684, 29605, 33573, 35340, 35526, 36290, 43548, 44764, 54435, 55955, 59210, 67146, 68951, 71052, 72580, 88815, 108870, 111910, 112499, 118420, 134292, 137902, 167865, 177630, 206853, 217740, 223820, 224998, 275804, 335730, 337497, 344755, 355260, 413706, 449996, 562495, 671460, 674994, 689510, 827412, 1034265, 1124990, 1349988, 1379020, 1687485, 2068530, 2137481, 2249980, 3374970, 4137060, 4274962, 6412443, 6749940, 8549924, 10687405, 12824886, 21374810, 25649772, 32062215, 42749620, 64124430, 128248860]

約数ペア:

[(1, 128248860), (2, 64124430), (3, 42749620), (4, 32062215), (5, 25649772), (6, 21374810), (10, 12824886), (12, 10687405), (15, 8549924), (19, 6749940), (20, 6412443), (30, 4274962), (31, 4137060), (38, 3374970), (57, 2249980), (60, 2137481), (62, 2068530), (76, 1687485), (93, 1379020), (95, 1349988), (114, 1124990), (124, 1034265), (155, 827412), (186, 689510), (190, 674994), (191, 671460), (228, 562495), (285, 449996), (310, 413706), (361, 355260), (372, 344755), (380, 337497), (382, 335730), (465, 275804), (570, 224998), (573, 223820), (589, 217740), (620, 206853), (722, 177630), (764, 167865), (930, 137902), (955, 134292), (1083, 118420), (1140, 112499), (1146, 111910), (1178, 108870), (1444, 88815), (1767, 72580), (1805, 71052), (1860, 68951), (1910, 67146), (2166, 59210), (2292, 55955), (2356, 54435), (2865, 44764), (2945, 43548), (3534, 36290), (3610, 35526), (3629, 35340), (3820, 33573), (4332, 29605), (5415, 23684), (5730, 22382), (5890, 21774), (5921, 21660), (7068, 18145), (7220, 17763), (7258, 17670), (8835, 14516), (10830, 11842), (10887, 11780), (11191, 11460)]