20161217970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{118463}}^1$

素因数の和:118568

約数の個数: 96

約数和(自身を含む): 54997622784

約数和(自身を除く): 34836404814

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 61, 62, 90, 93, 122, 155, 183, 186, 279, 305, 310, 366, 465, 549, 558, 610, 915, 930, 1098, 1395, 1830, 1891, 2745, 2790, 3782, 5490, 5673, 9455, 11346, 17019, 18910, 28365, 34038, 56730, 85095, 118463, 170190, 236926, 355389, 592315, 710778, 1066167, 1184630, 1776945, 2132334, 3553890, 3672353, 5330835, 7226243, 7344706, 10661670, 11017059, 14452486, 18361765, 21678729, 22034118, 33051177, 36131215, 36723530, 43357458, 55085295, 65036187, 66102354, 72262430, 108393645, 110170590, 130072374, 165255885, 216787290, 224013533, 325180935, 330511770, 448027066, 650361870, 672040599, 1120067665, 1344081198, 2016121797, 2240135330, 3360202995, 4032243594, 6720405990, 10080608985, 20161217970]

約数ペア:

[(1, 20161217970), (2, 10080608985), (3, 6720405990), (5, 4032243594), (6, 3360202995), (9, 2240135330), (10, 2016121797), (15, 1344081198), (18, 1120067665), (30, 672040599), (31, 650361870), (45, 448027066), (61, 330511770), (62, 325180935), (90, 224013533), (93, 216787290), (122, 165255885), (155, 130072374), (183, 110170590), (186, 108393645), (279, 72262430), (305, 66102354), (310, 65036187), (366, 55085295), (465, 43357458), (549, 36723530), (558, 36131215), (610, 33051177), (915, 22034118), (930, 21678729), (1098, 18361765), (1395, 14452486), (1830, 11017059), (1891, 10661670), (2745, 7344706), (2790, 7226243), (3782, 5330835), (5490, 3672353), (5673, 3553890), (9455, 2132334), (11346, 1776945), (17019, 1184630), (18910, 1066167), (28365, 710778), (34038, 592315), (56730, 355389), (85095, 236926), (118463, 170190)]