72678450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 202594176

約数和(自身を除く): 129915726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 47, 50, 61, 65, 75, 78, 94, 122, 130, 141, 150, 169, 183, 195, 235, 282, 305, 325, 338, 366, 390, 470, 507, 610, 611, 650, 705, 793, 845, 915, 975, 1014, 1175, 1222, 1410, 1525, 1586, 1690, 1830, 1833, 1950, 2350, 2379, 2535, 2867, 3050, 3055, 3525, 3666, 3965, 4225, 4575, 4758, 5070, 5734, 6110, 7050, 7930, 7943, 8450, 8601, 9150, 9165, 10309, 11895, 12675, 14335, 15275, 15886, 17202, 18330, 19825, 20618, 23790, 23829, 25350, 28670, 30550, 30927, 37271, 39650, 39715, 43005, 45825, 47658, 51545, 59475, 61854, 71675, 74542, 79430, 86010, 91650, 103090, 111813, 118950, 119145, 143350, 154635, 186355, 198575, 215025, 223626, 238290, 257725, 309270, 372710, 397150, 430050, 484523, 515450, 559065, 595725, 773175, 931775, 969046, 1118130, 1191450, 1453569, 1546350, 1863550, 2422615, 2795325, 2907138, 4845230, 5590650, 7267845, 12113075, 14535690, 24226150, 36339225, 72678450]

約数ペア:

[(1, 72678450), (2, 36339225), (3, 24226150), (5, 14535690), (6, 12113075), (10, 7267845), (13, 5590650), (15, 4845230), (25, 2907138), (26, 2795325), (30, 2422615), (39, 1863550), (47, 1546350), (50, 1453569), (61, 1191450), (65, 1118130), (75, 969046), (78, 931775), (94, 773175), (122, 595725), (130, 559065), (141, 515450), (150, 484523), (169, 430050), (183, 397150), (195, 372710), (235, 309270), (282, 257725), (305, 238290), (325, 223626), (338, 215025), (366, 198575), (390, 186355), (470, 154635), (507, 143350), (610, 119145), (611, 118950), (650, 111813), (705, 103090), (793, 91650), (845, 86010), (915, 79430), (975, 74542), (1014, 71675), (1175, 61854), (1222, 59475), (1410, 51545), (1525, 47658), (1586, 45825), (1690, 43005), (1830, 39715), (1833, 39650), (1950, 37271), (2350, 30927), (2379, 30550), (2535, 28670), (2867, 25350), (3050, 23829), (3055, 23790), (3525, 20618), (3666, 19825), (3965, 18330), (4225, 17202), (4575, 15886), (4758, 15275), (5070, 14335), (5734, 12675), (6110, 11895), (7050, 10309), (7930, 9165), (7943, 9150), (8450, 8601)]