30778425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 58757400

約数和(自身を除く): 27978975

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 53, 75, 87, 89, 145, 159, 225, 261, 265, 267, 435, 445, 477, 725, 795, 801, 1305, 1325, 1335, 1537, 2175, 2225, 2385, 2581, 3975, 4005, 4611, 4717, 6525, 6675, 7685, 7743, 11925, 12905, 13833, 14151, 20025, 23055, 23229, 23585, 38425, 38715, 42453, 64525, 69165, 70755, 115275, 116145, 117925, 136793, 193575, 212265, 345825, 353775, 410379, 580725, 683965, 1061325, 1231137, 2051895, 3419825, 6155685, 10259475, 30778425]

約数ペア:

[(1, 30778425), (3, 10259475), (5, 6155685), (9, 3419825), (15, 2051895), (25, 1231137), (29, 1061325), (45, 683965), (53, 580725), (75, 410379), (87, 353775), (89, 345825), (145, 212265), (159, 193575), (225, 136793), (261, 117925), (265, 116145), (267, 115275), (435, 70755), (445, 69165), (477, 64525), (725, 42453), (795, 38715), (801, 38425), (1305, 23585), (1325, 23229), (1335, 23055), (1537, 20025), (2175, 14151), (2225, 13833), (2385, 12905), (2581, 11925), (3975, 7743), (4005, 7685), (4611, 6675), (4717, 6525)]