28827630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 85155840

約数和(自身を除く): 56328210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 43, 45, 54, 65, 78, 86, 90, 117, 129, 130, 135, 191, 195, 215, 234, 258, 270, 351, 382, 387, 390, 430, 559, 573, 585, 645, 702, 774, 955, 1118, 1146, 1161, 1170, 1290, 1677, 1719, 1755, 1910, 1935, 2322, 2483, 2795, 2865, 3354, 3438, 3510, 3870, 4966, 5031, 5157, 5590, 5730, 5805, 7449, 8213, 8385, 8595, 10062, 10314, 11610, 12415, 14898, 15093, 16426, 16770, 17190, 22347, 24639, 24830, 25155, 25785, 30186, 37245, 41065, 44694, 49278, 50310, 51570, 67041, 73917, 74490, 75465, 82130, 106769, 111735, 123195, 134082, 147834, 150930, 213538, 221751, 223470, 246390, 320307, 335205, 369585, 443502, 533845, 640614, 670410, 739170, 960921, 1067690, 1108755, 1601535, 1921842, 2217510, 2882763, 3203070, 4804605, 5765526, 9609210, 14413815, 28827630]

約数ペア:

[(1, 28827630), (2, 14413815), (3, 9609210), (5, 5765526), (6, 4804605), (9, 3203070), (10, 2882763), (13, 2217510), (15, 1921842), (18, 1601535), (26, 1108755), (27, 1067690), (30, 960921), (39, 739170), (43, 670410), (45, 640614), (54, 533845), (65, 443502), (78, 369585), (86, 335205), (90, 320307), (117, 246390), (129, 223470), (130, 221751), (135, 213538), (191, 150930), (195, 147834), (215, 134082), (234, 123195), (258, 111735), (270, 106769), (351, 82130), (382, 75465), (387, 74490), (390, 73917), (430, 67041), (559, 51570), (573, 50310), (585, 49278), (645, 44694), (702, 41065), (774, 37245), (955, 30186), (1118, 25785), (1146, 25155), (1161, 24830), (1170, 24639), (1290, 22347), (1677, 17190), (1719, 16770), (1755, 16426), (1910, 15093), (1935, 14898), (2322, 12415), (2483, 11610), (2795, 10314), (2865, 10062), (3354, 8595), (3438, 8385), (3510, 8213), (3870, 7449), (4966, 5805), (5031, 5730), (5157, 5590)]