61729380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20173}}^1$

素因数の和:20205

約数の個数: 72

約数和(自身を含む): 198270072

約数和(自身を除く): 136540692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 20173, 40346, 60519, 80692, 100865, 121038, 181557, 201730, 242076, 302595, 342941, 363114, 403460, 605190, 685882, 726228, 907785, 1028823, 1210380, 1371764, 1714705, 1815570, 2057646, 3086469, 3429410, 3631140, 4115292, 5144115, 6172938, 6858820, 10288230, 12345876, 15432345, 20576460, 30864690, 61729380]

約数ペア:

[(1, 61729380), (2, 30864690), (3, 20576460), (4, 15432345), (5, 12345876), (6, 10288230), (9, 6858820), (10, 6172938), (12, 5144115), (15, 4115292), (17, 3631140), (18, 3429410), (20, 3086469), (30, 2057646), (34, 1815570), (36, 1714705), (45, 1371764), (51, 1210380), (60, 1028823), (68, 907785), (85, 726228), (90, 685882), (102, 605190), (153, 403460), (170, 363114), (180, 342941), (204, 302595), (255, 242076), (306, 201730), (340, 181557), (510, 121038), (612, 100865), (765, 80692), (1020, 60519), (1530, 40346), (3060, 20173)]