31208940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 120766464

約数和(自身を除く): 89557524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 31, 34, 35, 36, 42, 45, 47, 51, 60, 62, 63, 68, 70, 84, 85, 90, 93, 94, 102, 105, 119, 124, 126, 140, 141, 153, 155, 170, 180, 186, 188, 204, 210, 217, 235, 238, 252, 255, 279, 282, 306, 310, 315, 329, 340, 357, 372, 420, 423, 434, 465, 470, 476, 510, 527, 558, 564, 595, 612, 620, 630, 651, 658, 705, 714, 765, 799, 846, 868, 930, 940, 987, 1020, 1054, 1071, 1085, 1116, 1190, 1260, 1302, 1316, 1395, 1410, 1428, 1457, 1530, 1581, 1598, 1645, 1692, 1785, 1860, 1953, 1974, 2108, 2115, 2142, 2170, 2380, 2397, 2604, 2635, 2790, 2820, 2914, 2961, 3060, 3162, 3196, 3255, 3290, 3570, 3689, 3906, 3948, 3995, 4230, 4284, 4340, 4371, 4743, 4794, 4935, 5270, 5355, 5580, 5593, 5828, 5922, 6324, 6510, 6580, 7140, 7191, 7285, 7378, 7812, 7905, 7990, 8460, 8742, 9486, 9588, 9765, 9870, 10199, 10540, 10710, 11067, 11186, 11844, 11985, 13020, 13113, 14382, 14570, 14756, 14805, 15810, 15980, 16779, 17484, 18445, 18972, 19530, 19740, 20398, 21420, 21855, 22134, 22372, 23715, 23970, 24769, 26226, 27965, 28764, 29140, 29610, 30597, 31620, 33201, 33558, 35955, 36890, 39060, 40796, 43710, 44268, 47430, 47940, 49538, 50337, 50995, 52452, 55335, 55930, 59220, 61194, 65565, 66402, 67116, 71910, 73780, 74307, 83895, 87420, 91791, 94860, 99076, 100674, 101990, 110670, 111860, 122388, 123845, 131130, 132804, 143820, 148614, 152985, 166005, 167790, 173383, 183582, 201348, 203980, 221340, 222921, 247690, 251685, 262260, 297228, 305970, 332010, 335580, 346766, 367164, 371535, 445842, 458955, 495380, 503370, 520149, 611940, 664020, 693532, 743070, 866915, 891684, 917910, 1006740, 1040298, 1114605, 1486140, 1560447, 1733830, 1835820, 2080596, 2229210, 2600745, 3120894, 3467660, 4458420, 5201490, 6241788, 7802235, 10402980, 15604470, 31208940]

約数ペア:

[(1, 31208940), (2, 15604470), (3, 10402980), (4, 7802235), (5, 6241788), (6, 5201490), (7, 4458420), (9, 3467660), (10, 3120894), (12, 2600745), (14, 2229210), (15, 2080596), (17, 1835820), (18, 1733830), (20, 1560447), (21, 1486140), (28, 1114605), (30, 1040298), (31, 1006740), (34, 917910), (35, 891684), (36, 866915), (42, 743070), (45, 693532), (47, 664020), (51, 611940), (60, 520149), (62, 503370), (63, 495380), (68, 458955), (70, 445842), (84, 371535), (85, 367164), (90, 346766), (93, 335580), (94, 332010), (102, 305970), (105, 297228), (119, 262260), (124, 251685), (126, 247690), (140, 222921), (141, 221340), (153, 203980), (155, 201348), (170, 183582), (180, 173383), (186, 167790), (188, 166005), (204, 152985), (210, 148614), (217, 143820), (235, 132804), (238, 131130), (252, 123845), (255, 122388), (279, 111860), (282, 110670), (306, 101990), (310, 100674), (315, 99076), (329, 94860), (340, 91791), (357, 87420), (372, 83895), (420, 74307), (423, 73780), (434, 71910), (465, 67116), (470, 66402), (476, 65565), (510, 61194), (527, 59220), (558, 55930), (564, 55335), (595, 52452), (612, 50995), (620, 50337), (630, 49538), (651, 47940), (658, 47430), (705, 44268), (714, 43710), (765, 40796), (799, 39060), (846, 36890), (868, 35955), (930, 33558), (940, 33201), (987, 31620), (1020, 30597), (1054, 29610), (1071, 29140), (1085, 28764), (1116, 27965), (1190, 26226), (1260, 24769), (1302, 23970), (1316, 23715), (1395, 22372), (1410, 22134), (1428, 21855), (1457, 21420), (1530, 20398), (1581, 19740), (1598, 19530), (1645, 18972), (1692, 18445), (1785, 17484), (1860, 16779), (1953, 15980), (1974, 15810), (2108, 14805), (2115, 14756), (2142, 14570), (2170, 14382), (2380, 13113), (2397, 13020), (2604, 11985), (2635, 11844), (2790, 11186), (2820, 11067), (2914, 10710), (2961, 10540), (3060, 10199), (3162, 9870), (3196, 9765), (3255, 9588), (3290, 9486), (3570, 8742), (3689, 8460), (3906, 7990), (3948, 7905), (3995, 7812), (4230, 7378), (4284, 7285), (4340, 7191), (4371, 7140), (4743, 6580), (4794, 6510), (4935, 6324), (5270, 5922), (5355, 5828), (5580, 5593)]