278580900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1262

約数の個数: 144

約数和(自身を含む): 883012928

約数和(自身を除く): 604432028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 61, 65, 75, 78, 100, 122, 130, 150, 156, 183, 195, 244, 260, 300, 305, 325, 366, 390, 610, 650, 732, 780, 793, 915, 975, 1171, 1220, 1300, 1525, 1586, 1830, 1950, 2342, 2379, 3050, 3172, 3513, 3660, 3900, 3965, 4575, 4684, 4758, 5855, 6100, 7026, 7930, 9150, 9516, 11710, 11895, 14052, 15223, 15860, 17565, 18300, 19825, 23420, 23790, 29275, 30446, 35130, 39650, 45669, 47580, 58550, 59475, 60892, 70260, 71431, 76115, 79300, 87825, 91338, 117100, 118950, 142862, 152230, 175650, 182676, 214293, 228345, 237900, 285724, 304460, 351300, 357155, 380575, 428586, 456690, 714310, 761150, 857172, 913380, 928603, 1071465, 1141725, 1428620, 1522300, 1785775, 1857206, 2142930, 2283450, 2785809, 3571550, 3714412, 4285860, 4566900, 4643015, 5357325, 5571618, 7143100, 9286030, 10714650, 11143236, 13929045, 18572060, 21429300, 23215075, 27858090, 46430150, 55716180, 69645225, 92860300, 139290450, 278580900]

約数ペア:

[(1, 278580900), (2, 139290450), (3, 92860300), (4, 69645225), (5, 55716180), (6, 46430150), (10, 27858090), (12, 23215075), (13, 21429300), (15, 18572060), (20, 13929045), (25, 11143236), (26, 10714650), (30, 9286030), (39, 7143100), (50, 5571618), (52, 5357325), (60, 4643015), (61, 4566900), (65, 4285860), (75, 3714412), (78, 3571550), (100, 2785809), (122, 2283450), (130, 2142930), (150, 1857206), (156, 1785775), (183, 1522300), (195, 1428620), (244, 1141725), (260, 1071465), (300, 928603), (305, 913380), (325, 857172), (366, 761150), (390, 714310), (610, 456690), (650, 428586), (732, 380575), (780, 357155), (793, 351300), (915, 304460), (975, 285724), (1171, 237900), (1220, 228345), (1300, 214293), (1525, 182676), (1586, 175650), (1830, 152230), (1950, 142862), (2342, 118950), (2379, 117100), (3050, 91338), (3172, 87825), (3513, 79300), (3660, 76115), (3900, 71431), (3965, 70260), (4575, 60892), (4684, 59475), (4758, 58550), (5855, 47580), (6100, 45669), (7026, 39650), (7930, 35130), (9150, 30446), (9516, 29275), (11710, 23790), (11895, 23420), (14052, 19825), (15223, 18300), (15860, 17565)]