155260400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 405926400

約数和(自身を除く): 250666000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 620, 659, 760, 775, 950, 1178, 1240, 1318, 1520, 1550, 1900, 2356, 2480, 2636, 2945, 3100, 3295, 3800, 4712, 5272, 5890, 6200, 6590, 7600, 9424, 10544, 11780, 12400, 12521, 13180, 14725, 16475, 20429, 23560, 25042, 26360, 29450, 32950, 40858, 47120, 50084, 52720, 58900, 62605, 65900, 81716, 100168, 102145, 117800, 125210, 131800, 163432, 200336, 204290, 235600, 250420, 263600, 313025, 326864, 388151, 408580, 500840, 510725, 626050, 776302, 817160, 1001680, 1021450, 1252100, 1552604, 1634320, 1940755, 2042900, 2504200, 3105208, 3881510, 4085800, 5008400, 6210416, 7763020, 8171600, 9703775, 15526040, 19407550, 31052080, 38815100, 77630200, 155260400]

約数ペア:

[(1, 155260400), (2, 77630200), (4, 38815100), (5, 31052080), (8, 19407550), (10, 15526040), (16, 9703775), (19, 8171600), (20, 7763020), (25, 6210416), (31, 5008400), (38, 4085800), (40, 3881510), (50, 3105208), (62, 2504200), (76, 2042900), (80, 1940755), (95, 1634320), (100, 1552604), (124, 1252100), (152, 1021450), (155, 1001680), (190, 817160), (200, 776302), (248, 626050), (304, 510725), (310, 500840), (380, 408580), (400, 388151), (475, 326864), (496, 313025), (589, 263600), (620, 250420), (659, 235600), (760, 204290), (775, 200336), (950, 163432), (1178, 131800), (1240, 125210), (1318, 117800), (1520, 102145), (1550, 100168), (1900, 81716), (2356, 65900), (2480, 62605), (2636, 58900), (2945, 52720), (3100, 50084), (3295, 47120), (3800, 40858), (4712, 32950), (5272, 29450), (5890, 26360), (6200, 25042), (6590, 23560), (7600, 20429), (9424, 16475), (10544, 14725), (11780, 13180), (12400, 12521)]