128493450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 364595712

約数和(自身を除く): 236102262

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 61, 62, 75, 90, 93, 122, 150, 151, 155, 183, 186, 225, 279, 302, 305, 310, 366, 450, 453, 465, 549, 558, 610, 755, 775, 906, 915, 930, 1098, 1359, 1395, 1510, 1525, 1550, 1830, 1891, 2265, 2325, 2718, 2745, 2790, 3050, 3775, 3782, 4530, 4575, 4650, 4681, 5490, 5673, 6795, 6975, 7550, 9150, 9211, 9362, 9455, 11325, 11346, 13590, 13725, 13950, 14043, 17019, 18422, 18910, 22650, 23405, 27450, 27633, 28086, 28365, 33975, 34038, 42129, 46055, 46810, 47275, 55266, 56730, 67950, 70215, 82899, 84258, 85095, 92110, 94550, 117025, 138165, 140430, 141825, 165798, 170190, 210645, 230275, 234050, 276330, 283650, 285541, 351075, 414495, 421290, 425475, 460550, 571082, 690825, 702150, 828990, 850950, 856623, 1053225, 1381650, 1427705, 1713246, 2072475, 2106450, 2569869, 2855410, 4144950, 4283115, 5139738, 7138525, 8566230, 12849345, 14277050, 21415575, 25698690, 42831150, 64246725, 128493450]

約数ペア:

[(1, 128493450), (2, 64246725), (3, 42831150), (5, 25698690), (6, 21415575), (9, 14277050), (10, 12849345), (15, 8566230), (18, 7138525), (25, 5139738), (30, 4283115), (31, 4144950), (45, 2855410), (50, 2569869), (61, 2106450), (62, 2072475), (75, 1713246), (90, 1427705), (93, 1381650), (122, 1053225), (150, 856623), (151, 850950), (155, 828990), (183, 702150), (186, 690825), (225, 571082), (279, 460550), (302, 425475), (305, 421290), (310, 414495), (366, 351075), (450, 285541), (453, 283650), (465, 276330), (549, 234050), (558, 230275), (610, 210645), (755, 170190), (775, 165798), (906, 141825), (915, 140430), (930, 138165), (1098, 117025), (1359, 94550), (1395, 92110), (1510, 85095), (1525, 84258), (1550, 82899), (1830, 70215), (1891, 67950), (2265, 56730), (2325, 55266), (2718, 47275), (2745, 46810), (2790, 46055), (3050, 42129), (3775, 34038), (3782, 33975), (4530, 28365), (4575, 28086), (4650, 27633), (4681, 27450), (5490, 23405), (5673, 22650), (6795, 18910), (6975, 18422), (7550, 17019), (9150, 14043), (9211, 13950), (9362, 13725), (9455, 13590), (11325, 11346)]