1621658220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17471}}^1$

素因数の和:17520

約数の個数: 192

約数和(自身を含む): 5917556736

約数和(自身を除く): 4295898516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1785, 1820, 2210, 2380, 2652, 2730, 3094, 3315, 3570, 4420, 4641, 5460, 6188, 6630, 7140, 7735, 9282, 13260, 15470, 17471, 18564, 23205, 30940, 34942, 46410, 52413, 69884, 87355, 92820, 104826, 122297, 174710, 209652, 227123, 244594, 262065, 297007, 349420, 366891, 454246, 489188, 524130, 594014, 611485, 681369, 733782, 891021, 908492, 1048260, 1135615, 1188028, 1222970, 1362738, 1467564, 1485035, 1589861, 1782042, 1834455, 2079049, 2271230, 2445940, 2725476, 2970070, 3179722, 3406845, 3564084, 3668910, 3861091, 4158098, 4455105, 4542460, 4769583, 5940140, 6237147, 6359444, 6813690, 7337820, 7722182, 7949305, 8316196, 8910210, 9539166, 10395245, 11583273, 12474294, 13627380, 15444364, 15898610, 17820420, 19078332, 19305455, 20790490, 23166546, 23847915, 24948588, 27027637, 31185735, 31797220, 38610910, 41580980, 46333092, 47695830, 54055274, 57916365, 62371470, 77221820, 81082911, 95391660, 108110548, 115832730, 124742940, 135138185, 162165822, 231665460, 270276370, 324331644, 405414555, 540552740, 810829110, 1621658220]

約数ペア:

[(1, 1621658220), (2, 810829110), (3, 540552740), (4, 405414555), (5, 324331644), (6, 270276370), (7, 231665460), (10, 162165822), (12, 135138185), (13, 124742940), (14, 115832730), (15, 108110548), (17, 95391660), (20, 81082911), (21, 77221820), (26, 62371470), (28, 57916365), (30, 54055274), (34, 47695830), (35, 46333092), (39, 41580980), (42, 38610910), (51, 31797220), (52, 31185735), (60, 27027637), (65, 24948588), (68, 23847915), (70, 23166546), (78, 20790490), (84, 19305455), (85, 19078332), (91, 17820420), (102, 15898610), (105, 15444364), (119, 13627380), (130, 12474294), (140, 11583273), (156, 10395245), (170, 9539166), (182, 8910210), (195, 8316196), (204, 7949305), (210, 7722182), (221, 7337820), (238, 6813690), (255, 6359444), (260, 6237147), (273, 5940140), (340, 4769583), (357, 4542460), (364, 4455105), (390, 4158098), (420, 3861091), (442, 3668910), (455, 3564084), (476, 3406845), (510, 3179722), (546, 2970070), (595, 2725476), (663, 2445940), (714, 2271230), (780, 2079049), (884, 1834455), (910, 1782042), (1020, 1589861), (1092, 1485035), (1105, 1467564), (1190, 1362738), (1326, 1222970), (1365, 1188028), (1428, 1135615), (1547, 1048260), (1785, 908492), (1820, 891021), (2210, 733782), (2380, 681369), (2652, 611485), (2730, 594014), (3094, 524130), (3315, 489188), (3570, 454246), (4420, 366891), (4641, 349420), (5460, 297007), (6188, 262065), (6630, 244594), (7140, 227123), (7735, 209652), (9282, 174710), (13260, 122297), (15470, 104826), (17471, 92820), (18564, 87355), (23205, 69884), (30940, 52413), (34942, 46410)]