28975140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{557}}^1$

素因数の和:606

約数の個数: 108

約数和(自身を含む): 93533076

約数和(自身を除く): 64557936

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, 289, 306, 340, 510, 557, 578, 612, 765, 867, 1020, 1114, 1156, 1445, 1530, 1671, 1734, 2228, 2601, 2785, 2890, 3060, 3342, 3468, 4335, 5013, 5202, 5570, 5780, 6684, 8355, 8670, 9469, 10026, 10404, 11140, 13005, 16710, 17340, 18938, 20052, 25065, 26010, 28407, 33420, 37876, 47345, 50130, 52020, 56814, 85221, 94690, 100260, 113628, 142035, 160973, 170442, 189380, 284070, 321946, 340884, 426105, 482919, 568140, 643892, 804865, 852210, 965838, 1448757, 1609730, 1704420, 1931676, 2414595, 2897514, 3219460, 4829190, 5795028, 7243785, 9658380, 14487570, 28975140]

約数ペア:

[(1, 28975140), (2, 14487570), (3, 9658380), (4, 7243785), (5, 5795028), (6, 4829190), (9, 3219460), (10, 2897514), (12, 2414595), (15, 1931676), (17, 1704420), (18, 1609730), (20, 1448757), (30, 965838), (34, 852210), (36, 804865), (45, 643892), (51, 568140), (60, 482919), (68, 426105), (85, 340884), (90, 321946), (102, 284070), (153, 189380), (170, 170442), (180, 160973), (204, 142035), (255, 113628), (289, 100260), (306, 94690), (340, 85221), (510, 56814), (557, 52020), (578, 50130), (612, 47345), (765, 37876), (867, 33420), (1020, 28407), (1114, 26010), (1156, 25065), (1445, 20052), (1530, 18938), (1671, 17340), (1734, 16710), (2228, 13005), (2601, 11140), (2785, 10404), (2890, 10026), (3060, 9469), (3342, 8670), (3468, 8355), (4335, 6684), (5013, 5780), (5202, 5570)]