231736180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 578294640

約数和(自身を除く): 346558460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 109, 130, 148, 169, 170, 185, 218, 221, 260, 338, 340, 370, 436, 442, 481, 545, 629, 676, 740, 845, 884, 962, 1090, 1105, 1258, 1417, 1690, 1853, 1924, 2180, 2210, 2405, 2516, 2834, 2873, 3145, 3380, 3706, 4033, 4420, 4810, 5668, 5746, 6253, 6290, 7085, 7412, 8066, 8177, 9265, 9620, 11492, 12506, 12580, 14170, 14365, 16132, 16354, 18421, 18530, 20165, 24089, 25012, 28340, 28730, 31265, 32708, 36842, 37060, 40330, 40885, 48178, 52429, 57460, 62530, 68561, 73684, 80660, 81770, 92105, 96356, 104858, 106301, 120445, 125060, 137122, 163540, 184210, 209716, 212602, 240890, 262145, 274244, 313157, 342805, 368420, 425204, 481780, 524290, 531505, 626314, 681577, 685610, 891293, 1048580, 1063010, 1252628, 1363154, 1371220, 1565785, 1782586, 2126020, 2726308, 3131570, 3407885, 3565172, 4456465, 6263140, 6815770, 8912930, 11586809, 13631540, 17825860, 23173618, 46347236, 57934045, 115868090, 231736180]

約数ペア:

[(1, 231736180), (2, 115868090), (4, 57934045), (5, 46347236), (10, 23173618), (13, 17825860), (17, 13631540), (20, 11586809), (26, 8912930), (34, 6815770), (37, 6263140), (52, 4456465), (65, 3565172), (68, 3407885), (74, 3131570), (85, 2726308), (109, 2126020), (130, 1782586), (148, 1565785), (169, 1371220), (170, 1363154), (185, 1252628), (218, 1063010), (221, 1048580), (260, 891293), (338, 685610), (340, 681577), (370, 626314), (436, 531505), (442, 524290), (481, 481780), (545, 425204), (629, 368420), (676, 342805), (740, 313157), (845, 274244), (884, 262145), (962, 240890), (1090, 212602), (1105, 209716), (1258, 184210), (1417, 163540), (1690, 137122), (1853, 125060), (1924, 120445), (2180, 106301), (2210, 104858), (2405, 96356), (2516, 92105), (2834, 81770), (2873, 80660), (3145, 73684), (3380, 68561), (3706, 62530), (4033, 57460), (4420, 52429), (4810, 48178), (5668, 40885), (5746, 40330), (6253, 37060), (6290, 36842), (7085, 32708), (7412, 31265), (8066, 28730), (8177, 28340), (9265, 25012), (9620, 24089), (11492, 20165), (12506, 18530), (12580, 18421), (14170, 16354), (14365, 16132)]