79703820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:161

約数の個数: 216

約数和(自身を含む): 297434592

約数和(自身を除く): 217730772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 61, 63, 68, 70, 84, 85, 90, 102, 105, 119, 122, 126, 140, 153, 170, 180, 183, 204, 210, 238, 244, 252, 255, 305, 306, 315, 340, 357, 366, 420, 427, 476, 510, 549, 595, 610, 612, 630, 714, 732, 765, 854, 915, 1020, 1037, 1071, 1098, 1190, 1220, 1260, 1281, 1428, 1530, 1708, 1785, 1830, 2074, 2135, 2142, 2196, 2380, 2562, 2745, 3060, 3111, 3570, 3660, 3721, 3843, 4148, 4270, 4284, 5124, 5185, 5355, 5490, 6222, 6405, 7140, 7259, 7442, 7686, 8540, 9333, 10370, 10710, 10980, 11163, 12444, 12810, 14518, 14884, 15372, 15555, 18605, 18666, 19215, 20740, 21420, 21777, 22326, 25620, 26047, 29036, 31110, 33489, 36295, 37210, 37332, 38430, 43554, 44652, 46665, 52094, 55815, 62220, 63257, 65331, 66978, 72590, 74420, 76860, 78141, 87108, 93330, 104188, 108885, 111630, 126514, 130235, 130662, 133956, 145180, 156282, 167445, 186660, 189771, 217770, 223260, 234423, 253028, 260470, 261324, 312564, 316285, 326655, 334890, 379542, 390705, 435540, 442799, 468846, 520940, 569313, 632570, 653310, 669780, 759084, 781410, 885598, 937692, 948855, 1138626, 1172115, 1265140, 1306620, 1328397, 1562820, 1771196, 1897710, 2213995, 2277252, 2344230, 2656794, 2846565, 3795420, 3985191, 4427990, 4688460, 5313588, 5693130, 6641985, 7970382, 8855980, 11386260, 13283970, 15940764, 19925955, 26567940, 39851910, 79703820]

約数ペア:

[(1, 79703820), (2, 39851910), (3, 26567940), (4, 19925955), (5, 15940764), (6, 13283970), (7, 11386260), (9, 8855980), (10, 7970382), (12, 6641985), (14, 5693130), (15, 5313588), (17, 4688460), (18, 4427990), (20, 3985191), (21, 3795420), (28, 2846565), (30, 2656794), (34, 2344230), (35, 2277252), (36, 2213995), (42, 1897710), (45, 1771196), (51, 1562820), (60, 1328397), (61, 1306620), (63, 1265140), (68, 1172115), (70, 1138626), (84, 948855), (85, 937692), (90, 885598), (102, 781410), (105, 759084), (119, 669780), (122, 653310), (126, 632570), (140, 569313), (153, 520940), (170, 468846), (180, 442799), (183, 435540), (204, 390705), (210, 379542), (238, 334890), (244, 326655), (252, 316285), (255, 312564), (305, 261324), (306, 260470), (315, 253028), (340, 234423), (357, 223260), (366, 217770), (420, 189771), (427, 186660), (476, 167445), (510, 156282), (549, 145180), (595, 133956), (610, 130662), (612, 130235), (630, 126514), (714, 111630), (732, 108885), (765, 104188), (854, 93330), (915, 87108), (1020, 78141), (1037, 76860), (1071, 74420), (1098, 72590), (1190, 66978), (1220, 65331), (1260, 63257), (1281, 62220), (1428, 55815), (1530, 52094), (1708, 46665), (1785, 44652), (1830, 43554), (2074, 38430), (2135, 37332), (2142, 37210), (2196, 36295), (2380, 33489), (2562, 31110), (2745, 29036), (3060, 26047), (3111, 25620), (3570, 22326), (3660, 21777), (3721, 21420), (3843, 20740), (4148, 19215), (4270, 18666), (4284, 18605), (5124, 15555), (5185, 15372), (5355, 14884), (5490, 14518), (6222, 12810), (6405, 12444), (7140, 11163), (7259, 10980), (7442, 10710), (7686, 10370), (8540, 9333)]